Windows 8.1 articles, fixes and updates

This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft Windows 8.1 starts with letter W that have been released. The list is daily updated.

4073119 Windows client guidance for IT Pros to protect against silicon-based microarchitectural and speculative execution side-channel vulnerabilities Q4073119 KB4073119 April 17, 2024
4457951 Windows guidance to protect against speculative execution side-channel vulnerabilities Q4457951 KB4457951 October 27, 2023
13443 Which version of Windows operating system am I running? Q13443 KB13443 February 14, 2023
5014774 Windows 8.1 support ended on January 10, 2023 Q5014774 KB5014774 January 13, 2023
12373 Windows Update: FAQ Q12373 KB12373 January 10, 2023
13810 Windows keyboard shortcuts for accessibility Q13810 KB13810 November 22, 2022
17295 Which version of Internet Explorer am I using? Q17295 KB17295 October 27, 2022
4034170 Which devices are supported by Microsoft Mouse and Keyboard Center? Q4034170 KB4034170 October 24, 2022
2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update: April 2014 Q2919355 KB2919355 October 18, 2022
4023560 What to do if Microsoft Edge isn't working Q4023560 KB4023560 August 5, 2022
4027322 Windows Update Troubleshooter Q4027322 KB4027322 June 8, 2022
4023503 Wi-Fi settings are missing in Surface Q4023503 KB4023503 June 6, 2022
10751 Why can't I activate Windows? Q10751 KB10751 February 15, 2022
4533505 What is Microsoft Edge Legacy? Q4533505 KB4533505 February 9, 2022
18614 Windows Essentials Q18614 KB18614 October 27, 2021
18612 Windows Media Player Q18612 KB18612 October 27, 2021
15076 Windows Media Player errors Q15076 KB15076 October 27, 2021
14161 What can we help you do today? Q14161 KB14161 May 28, 2021
4467761 What happens when Windows 7 support ends? Q4467761 KB4467761 April 30, 2021
2989289 Wi-Fi connection is not established or Wi-Fi direct proximity test fails in Windows 8.1 or Windows Server 2012 R2 Q2989289 KB2989289 January 26, 2021
2891709 Windows Store video or camera apps freeze after you reopen the lid of a Windows 8, Windows RT, Windows 8.1, or Windows RT 8.1-based laptop Q2891709 KB2891709 January 26, 2021
2889784 Windows RT, Windows 8, and Windows Server 2012 update rollup: November 2013 Q2889784 KB2889784 January 26, 2021
921471 Windows activation or validation fails with error code 0x8004FE33 Q921471 KB921471 January 26, 2021
3203884 West Bank and Gaza move DST end date to October 29, 2016 Q3203884 KB3203884 January 25, 2021
3173040 Windows 8.1 and Windows 7 SP1 end of free upgrade offer notification Q3173040 KB3173040 January 25, 2021
3162655 Windows Journal Application for Windows Q3162655 KB3162655 January 25, 2021
3146604 WMI service crashes randomly in Windows Server 2012 R2 or Windows Server 2012 Q3146604 KB3146604 January 25, 2021
3140786 Windows Server backup fails despite sufficient free space on target volume in Windows Server 2012 R2 Q3140786 KB3140786 January 25, 2021
3139923 Windows installer (MSI) repair doesn't work when MSI package is installed on an HTTP share in Windows Q3139923 KB3139923 January 25, 2021
3138615 Windows Update Client for Windows 8.1 and Windows Server 2012 R2: March 2016 Q3138615 KB3138615 January 25, 2021
3137061 Windows Azure VMs don't recover from a network outage and data corruption issues occur Q3137061 KB3137061 January 25, 2021
3135449 Windows Update Client for Windows 8.1 and Windows Server 2012 R2: February 2016 Q3135449 KB3135449 January 25, 2021
3134758 Windows Management Framework 5.0 RTM on Windows 8.1 and Windows Server 2012 R2 Q3134758 KB3134758 January 25, 2021
3114133 Windows Server Backup fails when you back up multiple volumes in Windows Server 2012 R2 Q3114133 KB3114133 January 25, 2021
3112336 Windows Update Client for Windows 8.1 and Windows Server 2012 R2: December 2015 Q3112336 KB3112336 January 25, 2021
3103616 WMI query doesn't work in Windows Server 2012 R2 or Windows Server 2012 Q3103616 KB3103616 January 25, 2021
3095649 Win32k.sys update in Windows: October 2015 Q3095649 KB3095649 January 25, 2021
3090303 Windows freezes or applications freeze after you install security update 3076895 Q3090303 KB3090303 January 25, 2021
3090045 Windows Update for reserved devices in Windows 8.1 or Windows 7 SP1 Q3090045 KB3090045 January 25, 2021
3083711 Windows Update Client for Windows 8.1 and Windows Server 2012 R2: October 2015 Q3083711 KB3083711 January 25, 2021
3083325 Windows Update Client for Windows 8.1 and Windows Server 2012 R2: September 2015 Q3083325 KB3083325 January 25, 2021
3082353 Windows 8.1 or Windows Server 2012 R2 hosts crash when they set up IPSec tunnel Q3082353 KB3082353 January 25, 2021
3078631 Windows Server Backup fails despite sufficient space on the target volume in Windows Server 2012 R2 Q3078631 KB3078631 January 25, 2021
3075853 Windows Update Client for Windows 8.1 and Windows Server 2012 R2: August 2015 Q3075853 KB3075853 January 25, 2021
3071675 Windows Fabric traces stop working on virtual machines in Windows Server 2012 R2 Q3071675 KB3071675 January 25, 2021
3065988 Windows Update Client for Windows 8.1 and Windows Server 2012 R2: July 2015 Q3065988 KB3065988 January 25, 2021
3061817 Windows 8.1 does not prompt for a smart card when the "Interactive Logon: Require Smart Card" Group Policy Object is enabled Q3061817 KB3061817 January 25, 2021
3053863 Windows 8.1 can't discover Samsung TV as wireless display device Q3053863 KB3053863 January 25, 2021
3050267 Windows Update Client for Windows 8.1: June 2015 Q3050267 KB3050267 January 25, 2021
3046394 WWAN device may disappear from charm bar on Intel BYT platform that is running Windows 8.1 or Windows Server 2012 R2 Q3046394 KB3046394 January 25, 2021
3036612 Windows Store apps may crash in Windows 8.1 or Windows RT 8.1 Q3036612 KB3036612 January 25, 2021
3033446 Wi-Fi connectivity issues or poor performance on CHT platform computers in Windows 8.1 Q3033446 KB3033446 January 25, 2021
3031436 Windows Store apps cannot be updated automatically when proxy service is used in Windows Q3031436 KB3031436 January 25, 2021
3025083 Windows scaling issues for high-DPI devices Q3025083 KB3025083 January 25, 2021
3024361 Windows Essentials 2012 Photo Gallery slideshow doesn't extend full screen when display set to high DPI Q3024361 KB3024361 January 25, 2021
3016074 Windows activation does not work when the sppsvc.exe process is not started automatically for a long time Q3016074 KB3016074 January 25, 2021
3014176 Windows does not change the client certificates in subsequent HTTP requests after the initial connection Q3014176 KB3014176 January 25, 2021
3012325 Windows APN database entries update for DIGI, Vodafone, and Telekom mobile operators in Windows 8.1 and Windows 8 Q3012325 KB3012325 January 25, 2021
3006958 Windows 8.1-based computer freezes when you load a push-button reset recovery image Q3006958 KB3006958 January 25, 2021
3004905 Windows Hyper-V improvement for Linux virtual machines that have file systems that are larger than 2 TB Q3004905 KB3004905 January 25, 2021
2990532 Web browser icons cannot be unpinned and are displayed incorrectly on the taskbar in Windows RT 8.1 or Windows 8.1 Q2990532 KB2990532 January 25, 2021
2989713 Window jumps two times when you tap on the scroll bar arrow one time on the touchpad in Windows RT 8.1 or Windows 8.1 Q2989713 KB2989713 January 25, 2021
2989629 Windows APN database entries update for T-Mobile and Fogg Mobile devices in Windows 8.1 and Windows 8 Q2989629 KB2989629 January 25, 2021
2981330 WTSQuerySessionInformation API function always returns zero bytes for WTSIncomingBytes and WTSOutgoingBytes Q2981330 KB2981330 January 25, 2021
2980665 Windows crashes with Stop error when filter driver perform FltWriteFileEx function in Windows RT 8.1 or Windows 8.1 Q2980665 KB2980665 January 25, 2021
2979058 Windows RT 8.1 or Windows 8.1-based computer fails to shut down, and you must perform a cold shutdown Q2979058 KB2979058 January 25, 2021
2969817 Windows 8.1 or Windows RT 8.1 restarts two times after it installs a firmware update Q2969817 KB2969817 January 25, 2021
2959977 Windows Update Client does not scan against WSUS 3.0 SP2 if HTTPS is configured and TLS 1.2 is not enabled Q2959977 KB2959977 January 25, 2021
2957560 Windows freezes or loses cluster disk reservation during a stress test in iSCSI initiator Q2957560 KB2957560 January 25, 2021
2956575 Windows 8.1 Store and Windows Update client improvements: May 13, 2014 Q2956575 KB2956575 January 25, 2021
2953997 Windows MultiPoint Server occasionally crashes when you start the WMS shell in Windows Server 2012 R2 or Windows Server 2012 Q2953997 KB2953997 January 25, 2021
2950153 WUSA freezes when you install an update in Windows 8.1 or Windows Server 2012 R2 Q2950153 KB2950153 January 25, 2021
2930287 WSD scan fails when you scan many pages in Windows Q2930287 KB2930287 January 25, 2021
2922514 White line appears when printing an image by using an XPS printer driver in Windows Q2922514 KB2922514 January 25, 2021
2919394 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: February 2014 Q2919394 KB2919394 January 25, 2021
2913270 Windows 8.1 Store improvements: January 2014 Q2913270 KB2913270 January 25, 2021
2913212 Windows Store apps that are installed in audit mode are removed in Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 Q2913212 KB2913212 January 25, 2021
2913152 Windows Photo Viewer prints white lines when you use an XPS driver to print photos in Windows Q2913152 KB2913152 January 25, 2021
2911106 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: January 2014 Q2911106 KB2911106 January 25, 2021
2897942 Windows does not provide device and application compatibility information when you update to Windows 8.1 or Windows RT 8.1 Q2897942 KB2897942 January 25, 2021
2887595 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: November 2013 Q2887595 KB2887595 January 25, 2021
2883200 Windows 8.1 and Windows Server 2012 R2 General Availability Update Rollup Q2883200 KB2883200 January 25, 2021
2866537 Windows Store app instability after an app update in Windows 8.1 Preview Q2866537 KB2866537 January 25, 2021
2864247 Windows Store apps crash on launch in Windows 8.1 Preview Q2864247 KB2864247 January 25, 2021
2863721 Windows Store app is not added to the correct category in Windows 8.1 Preview Q2863721 KB2863721 January 25, 2021
935799 When you configure power options for the active power plan in Windows Vista or in Windows 7, the changes are not reflected in the Power Options item in Control Panel Q935799 KB935799 January 25, 2021
4046168 Windows Hello for Business mitigation plan for vulnerability in TPM Q4046168 KB4046168 January 14, 2021
4009470 Windows 8.1 and Windows Server 2012 R2 update history Q4009470 KB4009470 January 13, 2021
3107057 Windows 8 and 8.1 Pro Pack and Media Pack are no longer available to buy Q3107057 KB3107057 December 18, 2020
2979051 Windows Store app still reacts to search text when you delete the text in Search charm in Windows 8.1 and Windows RT 8.1 Q2979051 KB2979051 December 18, 2020
13764 Where is Control Panel? Q13764 KB13764 December 7, 2020
10998 Windows RT disclaimer Q10998 KB10998 December 4, 2020
18613 Windows Media Center Q18613 KB18613 November 30, 2020
17615 Windows Media Player 12 Q17615 KB17615 November 30, 2020
17076 Windows Startup Settings (including safe mode) Q17076 KB17076 November 30, 2020
15061 Which version of DirectX is on your PC? Q15061 KB15061 November 30, 2020
11665 Windows 8.1 disclaimer Q11665 KB11665 November 30, 2020
11532 Windows disclaimers Q11532 KB11532 November 30, 2020
4497578 Windows 8.1: You cannot use Windows PowerShell to manage Windows Defender after installing the October 9, 2018 update Q4497578 KB4497578 October 24, 2020
4490529 Windows 8.1: Review your location settings Q4490529 KB4490529 October 24, 2020
4514157 Windows guidance for Bluetooth key length enforcement Q4514157 KB4514157 October 23, 2020
17780 Wallpapers Q17780 KB17780 October 19, 2020
11589 Windows RT 8.1 disclaimer Q11589 KB11589 October 17, 2020
13853 Windows lifecycle fact sheet Q13853 KB13853 September 17, 2020
3064045 Windows Store apps may not open and Event ID 5973 is logged in the Application log Q3064045 KB3064045 August 20, 2020
4564934 Windows may send DNS requests that appear to be random after startup or after network properties change Q4564934 KB4564934 June 11, 2020
2796988 Windows installation may fail with error "The product key entered does not match any of the Windows images available for installation. Enter a different product key" Q2796988 KB2796988 May 28, 2020
927521 Windows Vista, Windows 7, Windows Server 2008 R2, Windows 8.1, and Windows 10 setup log file locations Q927521 KB927521 May 28, 2020
243330 Well-known security identifiers in Windows operating systems Q243330 KB243330 May 28, 2020
4338813 Windows help Q4338813 KB4338813 April 22, 2020
923100 When you try to install an update for the .NET Framework 1.0, 1.1, 2.0, 3.0, or 3.5, you may receive Windows Update error code "0x643" or Windows Installer error code "1603" Q923100 KB923100 April 16, 2020
2638243 When SpecialPollInterval is used as a polling interval, the Windows Time service does not correct the time if the service gets into Spike state Q2638243 KB2638243 February 19, 2020
3163023 Windows Update Client for Windows 8.1 and Windows Server 2012 R2: June 2016 Q3163023 KB3163023 November 22, 2019
3045385 "Workplace Join discovery failed" error with exit code 0x80072EE7 Q3045385 KB3045385 November 15, 2019
2826798 Wireless devices are disabled after you turn off Airplane Mode in Windows 8.1 or Windows 8 Q2826798 KB2826798 November 15, 2019
2776718 "Wake on LAN"(WOL) behavior in Windows 8, Windows 8.1 and Windows 10 Q2776718 KB2776718 October 31, 2019
3045383 "Workplace Join discovery failed" error with exit code 0x80072F8A" Q3045383 KB3045383 September 6, 2019
555990 Windows Update: FAQ - Windows Help Q555990 KB555990 May 21, 2019
11541 Windows Defender Offline system requirements - Windows Help Q11541 KB11541 May 13, 2019
2901101 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: November 2013 Q2901101 KB2901101 May 1, 2019
2505524 Windows Essentials - Windows Help Q2505524 KB2505524 March 6, 2019
2258121 Windows Update: FAQ - Windows Help Q2258121 KB2258121 December 14, 2018
958045 Windows Update: FAQ - Windows Help Q958045 KB958045 December 14, 2018
555989 Windows Update: FAQ - Windows Help Q555989 KB555989 December 14, 2018
306525 Windows Update: FAQ - Windows Help Q306525 KB306525 December 14, 2018
962875 Windows Essentials - Windows Help Q962875 KB962875 October 17, 2018
2938148 Windows PowerShell cmdlet Grant-DfsnAccess does not change inheritance on DFS links Q2938148 KB2938148 October 12, 2018
3045382 "Workplace Join discovery failed" with exit code 0x80072F0D Q3045382 KB3045382 October 9, 2018
3145204 Windows App cannot start after ADMT 3.2 security translation runs in Windows 8, Windows 8.1 and Windows 10 Q3145204 KB3145204 October 2, 2018
2952967 Windows.edb larger than expected when a PST file is indexed in Windows Q2952967 KB2952967 October 2, 2018
2756979 Windows Update: FAQ - Windows Help Q2756979 KB2756979 May 31, 2018
4101465 Where is Control Panel? - Windows Help Q4101465 KB4101465 May 15, 2018
4052288 Where is Control Panel? - Windows Help Q4052288 KB4052288 May 15, 2018
4052272 Where is Control Panel? - Windows Help Q4052272 KB4052272 May 15, 2018
3064434 Windows Update hangs and new updates are uninstalled after a restart Q3064434 KB3064434 April 19, 2018
2028504 Windows Kernel event ID 41 error "The system has rebooted without cleanly shutting down first" in Windows 8.1, Windows 8, Windows Server 2012 R2, Windows Server 2012, Windows 7, or Windows Server 2008 R2 Q2028504 KB2028504 April 17, 2018
4075128 Windows scaling issues for high-DPI devices Q4075128 KB4075128 April 2, 2018
4036278 Windows scaling issues for high-DPI devices Q4036278 KB4036278 April 2, 2018
308464 Windows Movie maker is no longer available for download Q308464 KB308464 March 14, 2018
4034892 Wireless headset issues - Accessories troubleshooting Q4034892 KB4034892 February 16, 2018
4034409 Why are the DPI On-the-fly sliders not available? - Accessories troubleshooting Q4034409 KB4034409 February 16, 2018
4074631 Windows 8/8.1 technical info for IT Pros Q4074631 KB4074631 January 12, 2018
2894029 Windows 8.1 and Windows Server 2012 R2 General Availability Update Rollup Q2894029 KB2894029 November 29, 2017
2971128 Windows 8 and 8.1 Microsoft Store app package updates available for download Q2971128 KB2971128 October 26, 2017
2832072 Windows 8 and Windows 8.1 app tiles have an "x" in the lower-right corner Q2832072 KB2832072 October 26, 2017
2792117 Windows 8 Video app may experience performance issues when software decoding is used Q2792117 KB2792117 October 26, 2017
2908174 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: November 2013 Q2908174 KB2908174 May 17, 2017
2898514 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: November 2013 Q2898514 KB2898514 May 17, 2017
3140166 Windows 10 upgrade: How-to information on scheduling and notifications Q3140166 KB3140166 May 3, 2017
2938439 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update: April 2014 Q2938439 KB2938439 April 11, 2017
2937592 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update: April 2014 Q2937592 KB2937592 April 11, 2017
2934018 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update: April 2014 Q2934018 KB2934018 April 11, 2017
2932046 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update: April 2014 Q2932046 KB2932046 April 11, 2017
3082514 Wi-Fi Direct System Interoperability test fails in Windows 8.1 or Windows Server 2012 R2 Q3082514 KB3082514 February 14, 2017
3045381 "Workplace Join discovery failed" error with exit code 0x80072EFD Q3045381 KB3045381 December 5, 2016
3201265 Windows Time Service settings are not preserved during an in-place upgrade to Windows Server 2016 or Windows 10 Version 1607 Q3201265 KB3201265 November 22, 2016
321305 What to do if you forget your Windows password - Windows Help Q321305 KB321305 August 31, 2016
14105 What to do if you forget your Windows password - Windows Help Q14105 KB14105 August 31, 2016
290301 What happened to the Windows Installer Cleanup Utility (MSICUU2.exe)? Q290301 KB290301 August 5, 2016
3130052 Windows 10 upgrade crashes if disk is encrypted by a third-party application Q3130052 KB3130052 January 11, 2016
3072112 Windows 8.1 or Windows 8 selects incorrect scaling for full-screen apps Q3072112 KB3072112 June 19, 2015
3064683 Windows 8.1 OOBE modifications to reserve Windows 10 Q3064683 KB3064683 June 10, 2015
3062785 Wrong user name or password error connecting to mobile broadband network with Windows 8 or 8.1 Q3062785 KB3062785 May 1, 2015
3045380 "Workplace Join discovery failed" error with exit code 0x80004005 Q3045380 KB3045380 March 23, 2015
3045384 "Workplace Join discovery failed" error with exit code 0x80072F19 Q3045384 KB3045384 March 16, 2015
3036606 Windows 8.1 mobile broadband may not auto-reconnect after it resumes from connected standby Q3036606 KB3036606 March 11, 2015
2923592 Windows Search does not work as expected or generates an error message in Windows 8.1 Q2923592 KB2923592 February 25, 2015
2385818 Windows Time service doesn't start automatically on a workgroup computer that's running Windows 7 or Windows Server 2008 R2 Q2385818 KB2385818 February 16, 2015
942490 Windows may stop responding if it has East Asian languages installed Q942490 KB942490 January 16, 2015
3020858 Worker process may allocate a very large amount of memory when you have a complex directory structure on IIS Q3020858 KB3020858 December 22, 2014
2982169 W3C logging service crashes in IIS 8.5 on a server in Windows 8.1 or Windows Server 2012 R2 Q2982169 KB2982169 December 9, 2014
2969050 Windows Management Framework 5.0 Preview September 2014 Q2969050 KB2969050 November 10, 2014
2985898 WebClient service does not support Session Cookies Q2985898 KB2985898 October 29, 2014
3012223 Windows 8.1 based computer does not resume from hibernation (S4) or from sleep (S3) randomly if you run an application to set an RTC wake-up time Q3012223 KB3012223 October 24, 2014
2989542 Windows Store apps are not updated automatically in Windows 8.1 Q2989542 KB2989542 October 14, 2014
2976205 Windows 8.1 or Windows Server 2012 R2 Setup fails when you remove USB flash drive before the first restart of Setup Q2976205 KB2976205 October 13, 2014
2992405 Windows 8.1 mobile broadband connection is disconnected after you set Airplane mode to OFF Q2992405 KB2992405 October 9, 2014
2992404 Windows 8.1 mobile broadband connection is disconnected after you set Airplane mode to OFF Q2992404 KB2992404 October 9, 2014
2998316 Windows 7 webcam does not work in Windows Store apps in Windows 8 or a later operating system Q2998316 KB2998316 October 8, 2014
3003081 Windows Task Manager shows incorrect CPU speed when Hyper-V is enabled Q3003081 KB3003081 September 26, 2014
2981666 WDS multicasting deployment results in corrupted installation images on cluster nodes Q2981666 KB2981666 September 16, 2014
2854058 Windows could enter Connected Standby if you Set the “Turn Off Display” Power Options to Never Q2854058 KB2854058 August 19, 2014
2988417 Windows Store application crashes when you remove a WebView Q2988417 KB2988417 August 12, 2014
2990636 Windows Search stills shows an app in the Search results after the software has been uninstalled Q2990636 KB2990636 August 8, 2014
2986905 When you create a mirror (raid 1) on an external disc enclosure, unplugging device, may cause raid configuration loss Q2986905 KB2986905 August 7, 2014
2964833 Windows 8.1 or Windows 7 cannot connect over DirectAccess to a Remote Desktop Session Host server farm Q2964833 KB2964833 July 9, 2014
2981783 Windows 8.1 can display incorrect radio access technology next to the mobile broadband network name Q2981783 KB2981783 July 8, 2014
2962182 Windows Communications Apps update for WSUS for Windows 8.1: June 2014 Q2962182 KB2962182 June 25, 2014
2974047 Wi-Fi connection displays a red X status for 20-30 seconds after a Windows 8.1-based computer resumes from hibernation Q2974047 KB2974047 June 10, 2014
2964951 Windows Update does not download drivers for shared printers in Windows 8.1 or Windows Server 2012 R2 Q2964951 KB2964951 June 10, 2014
2957359 Windows 8.1 stuck on first startup after you install a Bluetooth mouse Q2957359 KB2957359 May 13, 2014
2952359 WinRE cannot be built after you deploy a Windows 8.1 image Q2952359 KB2952359 May 9, 2014
2934794 Windows RT 8.1, Windows 8.1, or Windows Server 2012 R2 freezes when you use a Bluetooth LE device Q2934794 KB2934794 April 9, 2014
2953600 WSD printer is removed unexpectedly when you upgrade to Windows 8.1 or Windows Server 2012 R2 Q2953600 KB2953600 April 8, 2014
2940190 Wi-Fi UI connectivity status is incorrect in Windows 8.1 or Windows Server 2012 R2 Q2940190 KB2940190 April 8, 2014
2939055 Windows Update history displays oldest update history events in Windows 8.1 or Windows Server 2012 R2 Q2939055 KB2939055 April 8, 2014
2933511 WSD scanner driver incorrectly requests PDF-format data when you run multiple image scans in Windows 8.1 or Windows Server 2012 R2 Q2933511 KB2933511 April 8, 2014
2926983 Windows Store App crashes in Windows 8.1 Q2926983 KB2926983 April 8, 2014
2926971 Wi-Fi Direct (WFD) app cannot access WFD in Windows 8.1 Q2926971 KB2926971 April 8, 2014
2930152 Wireless connection is not queried by an application that uses the GetConnectionProfiles method in Windows 8.1 or Windows Server 2012 R2 Q2930152 KB2930152 March 12, 2014
2928680 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: March 2014 Q2928680 KB2928680 March 12, 2014
2910887 Windows Phone application development is blocked in Windows 8.1 Q2910887 KB2910887 March 12, 2014
2920217 WIA image processing filter fails when you scan from Devices and Printers in Windows 8.1 or Windows Server 2012 R2 Q2920217 KB2920217 March 6, 2014
2911804 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: December 2013 Q2911804 KB2911804 February 19, 2014
2911134 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: December 2013 Q2911134 KB2911134 February 19, 2014
2903939 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: December 2013 Q2903939 KB2903939 February 19, 2014
2925766 Windows Server 2012 R2 or Windows 8.1 crashes when virtual volumes are exposed to hyper-v virtual machines Q2925766 KB2925766 February 12, 2014
2926064 Wireless network adapter miniport driver receives incorrect MediaSpecificWakeUpEvents value Q2926064 KB2926064 February 11, 2014
2921059 Windows Location Provider fails the geolocation lookup in Windows 8.1 Q2921059 KB2921059 February 11, 2014
2931166 Windows 8.1 doesn't display ad hoc networks from an earlier version of Windows Q2931166 KB2931166 February 10, 2014
2901606 Windows Server 2012 upgrade may fail with error 0x000000C4 Q2901606 KB2901606 February 7, 2014
2911037 Windows 8.1 or Windows Server 2012 R2-based computer freezes during startup when the system hive has to be recovered Q2911037 KB2911037 January 15, 2014
950934 When you click Continue for folder access in Windows Explorer, your user account is added to the ACL for the folder Q950934 KB950934 January 15, 2014
2906036 Windows 8.1-based computer freezes when you try to start the computer or resume the computer from hibernate mode Q2906036 KB2906036 December 12, 2013
2909528 Windows RT 8.1, Windows 8.1, or Windows Server 2012 R2-based computer never enters a DRIPS Q2909528 KB2909528 December 10, 2013
2898742 Windows 8.1 and Windows Server 2012 R2 update rollup: October 2013 Q2898742 KB2898742 October 17, 2013
2884846 Windows 8.1 and Windows Server 2012 R2 update rollup: October 2013 Q2884846 KB2884846 October 17, 2013
2865923 Windows 8 touch and pen calibration tool only supports running in landscape mode Q2865923 KB2865923 October 15, 2013

Windows 8.1 articles, fixes and updates - letter W