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 U that have been released. The list is daily updated.

4034879 Use the LdapEnforceChannelBinding registry entry to make LDAP authentication over SSL/TLS more secure Q4034879 KB4034879 July 12, 2023
12435 Upgrade to Windows 10: FAQ Q12435 KB12435 February 16, 2023
15288 Update to Windows 8.1 from Windows 8 Q15288 KB15288 January 11, 2023
3041196 Update to the "Run this time" functionality for out-of-date ActiveX control blocking in Internet Explorer Q3041196 KB3041196 December 16, 2022
11542 Use Magnifier to make things on the screen easier to see Q11542 KB11542 November 22, 2022
10762 Use the On-Screen Keyboard (OSK) to type Q10762 KB10762 November 22, 2022
10571 Use text or visual alternative to sounds Q10571 KB10571 November 22, 2022
3191564 Update for Windows Management Framework 5.1 for Windows 8.1 and Windows Server 2012 R2 Q3191564 KB3191564 October 18, 2022
13776 Use Snipping Tool to capture screenshots Q13776 KB13776 November 9, 2021
3161639 Update to add new cipher suites to Internet Explorer and Microsoft Edge in Windows Q3161639 KB3161639 May 19, 2021
3005303 Update for MPEG4 parser to support YouTube DRM playback in Internet Explorer 11 on Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 Q3005303 KB3005303 May 19, 2021
17469 Use ActiveX controls for Internet Explorer 11 Q17469 KB17469 April 30, 2021
17288 Use Do Not Track in Internet Explorer 11 Q17288 KB17288 April 30, 2021
4570006 Update to disable and remove the RemoteFX vGPU component in Windows Q4570006 KB4570006 April 13, 2021
17073 Using your keyboard Q17073 KB17073 April 13, 2021
5001027 Update for the new Microsoft Edge for Windows 7 SP1 and Windows 8.1: March 16, 2021 Q5001027 KB5001027 March 17, 2021
4577586 Update for the removal of Adobe Flash Player: October 27, 2020 Q4577586 KB4577586 February 19, 2021
4567409 Update for the new Microsoft Edge for Windows 7 SP1 and Windows 8.1: June 17, 2020 Q4567409 KB4567409 February 11, 2021
4051613 Update for Adobe Flash Player: November 1, 2017 Q4051613 KB4051613 January 26, 2021
2899189 Update adds support for many camera-specific file formats in Windows 8.1 or Windows RT 8.1: December 2013 Q2899189 KB2899189 January 26, 2021
2898108 Update for vulnerabilities in Adobe Flash Player in Internet Explorer: November 12, 2013 Q2898108 KB2898108 January 26, 2021
3194053 Update for Windows Journal to Microsoft OneNote Converter (BETA) Q3194053 KB3194053 January 25, 2021
3161102 Update for Windows Journal component removal Q3161102 KB3161102 January 25, 2021
3146449 Updated Internet Explorer 11 capabilities to upgrade Windows 8.1 and Windows 7 Q3146449 KB3146449 January 25, 2021
3138378 Update for Journal.dll binary in Windows Q3138378 KB3138378 January 25, 2021
3133690 Update to add Discrete Device Assignment support for Azure that runs on Windows Server 2012 R2-based guest VMs Q3133690 KB3133690 January 25, 2021
3133689 UBPM doesn't set environmental variables correctly when you run scheduled tasks in Windows Server 2012 R2 Q3133689 KB3133689 January 25, 2021
3123862 Updated capabilities to upgrade Windows 8.1 and Windows 7 Q3123862 KB3123862 January 25, 2021
3118401 Update for Universal C Runtime in Windows Q3118401 KB3118401 January 25, 2021
3103696 Update for USB Type-C billboard support and Kingston thumb drive is enumerated incorrectly in Windows Q3103696 KB3103696 January 25, 2021
3102429 Update that supports Azerbaijani Manat and Georgian Lari currency symbols in Windows Q3102429 KB3102429 January 25, 2021
3095711 Update to support LTO-7 tape drives in Windows Server 2012 R2 and Windows Server 2012 Q3095711 KB3095711 January 25, 2021
3095316 Update enables you to specify port number in the Enterprise Mode Site List XML file in Internet Explorer 11 on Windows 8.1 or Windows 7 Q3095316 KB3095316 January 25, 2021
3095108 Updated APN database entry for Transatel (France, Worldwide) network for Windows 8.1 and Windows 8 Q3095108 KB3095108 January 25, 2021
3092688 UPD profiles corrupted when a network connectivity issue occurs in Windows Server 2012 R2 Q3092688 KB3092688 January 25, 2021
3089023 Unexpected Adobe Flash Player error after security update 3087916 is installed in Windows 8.1 or Windows Server 2012 R2 Q3089023 KB3089023 January 25, 2021
3080149 Update for customer experience and diagnostic telemetry Q3080149 KB3080149 January 25, 2021
3079850 Update APN database entry for China Mobile Hong Kong in Windows 8.1 and Windows 8 Q3079850 KB3079850 January 25, 2021
3075249 Update that adds telemetry points to consent.exe in Windows 8.1 and Windows 7 Q3075249 KB3075249 January 25, 2021
3072318 Update for Windows 8.1 OOBE to upgrade to Windows 10 Q3072318 KB3072318 January 25, 2021
3070071 Updated APN database entry for SoftBank network for Windows 8.1 and Windows 8 Q3070071 KB3070071 January 25, 2021
3068708 Update for customer experience and diagnostic telemetry Q3068708 KB3068708 January 25, 2021
3064921 Update to disable immersive Internet Explorer in Windows 8.1 Q3064921 KB3064921 January 25, 2021
3063593 USB-composited MBIM devices cannot be installed after you install the August 2014 update rollup in Windows 8.1 Q3063593 KB3063593 January 25, 2021
3061493 Update enables magstripe drivers to support new devices in Windows 8.1 or Windows RT 8.1 Q3061493 KB3061493 January 25, 2021
3061421 Updated APN database entry for Northern Michigan University (NMU) for Windows 8.1 and 8 Q3061421 KB3061421 January 25, 2021
3055999 Update APN database entry for SaskTel (Canada) in Windows 8.1 and 8 Q3055999 KB3055999 January 25, 2021
3055323 Update to enable a security feature in Windows 8.1 or Windows Server 2012 R2 Q3055323 KB3055323 January 25, 2021
3054169 Update to add more information to minidump files that helps OCA servers categorize failures correctly in Windows Q3054169 KB3054169 January 25, 2021
3053667 Users can't connect to virtual machines that are running Windows 8.1 or Windows Server 2012 R2 by remote desktop Q3053667 KB3053667 January 25, 2021
3052480 Unexpected ASP.Net application shutdown after many App_Data file changes occur on a server that is running Windows Server 2012 R2 Q3052480 KB3052480 January 25, 2021
3051410 User contacts intermittently display an "Updating" status in Lync or Skype for Business Q3051410 KB3051410 January 25, 2021
3048778 Update 3033889 causes Windows Explorer to stop responding on systems that use the Japanese, Korean, or Chinese IME Q3048778 KB3048778 January 25, 2021
3047276 Update APN database entry for Cubic Mobile (Liechtenstein) and Verizon Wireless (US) in Windows 8.1 and Windows 8 Q3047276 KB3047276 January 25, 2021
3046480 Update helps to determine whether to migrate the .NET Framework 1.1 when you upgrade Windows 8.1 or Windows 7 Q3046480 KB3046480 January 25, 2021
3046465 USB devices drain battery fast on a computer that is running Windows 8.1 or Windows Server 2012 R2 Q3046465 KB3046465 January 25, 2021
3044108 Update to improve battery performance and power schemes in Windows 8.1 or Windows Server 2012 R2 Q3044108 KB3044108 January 25, 2021
3041194 Update for out-of-date ActiveX control blocking in Internet Explorer to consume compressed server-side content Q3041194 KB3041194 January 25, 2021
3041189 Update to expand the functionality of out-of-date ActiveX control blocking in Internet Explorer when UAC is disabled Q3041189 KB3041189 January 25, 2021
3038002 UHS-3 cards cannot be detected in Windows on Surface devices Q3038002 KB3038002 January 25, 2021
3036562 Updated APN database entries for Y!Mobile and Truphone in Windows 8.1 and Windows 8 Q3036562 KB3036562 January 25, 2021
3036197 Update for Internet Explorer Administrative Template resources Q3036197 KB3036197 January 25, 2021
3029606 Update to improve Bluetooth driver diagnosis in Windows 8.1 Q3029606 KB3029606 January 25, 2021
3024033 Update to a manageability setting for out-of-date ActiveX control blocking in Internet Explorer Q3024033 KB3024033 January 25, 2021
3022796 Update for RichTextBox controls and ALT codes in Windows 8.1 Q3022796 KB3022796 January 25, 2021
3022345 Update for customer experience and diagnostic telemetry Q3022345 KB3022345 January 25, 2021
3022235 USB SD card reader loses capability to detect media change in Windows Q3022235 KB3022235 January 25, 2021
3020370 Update the copy of the Cmitrust.dll file in Windows Q3020370 KB3020370 January 25, 2021
3019868 Update APN database entry for Velcom (Belarus) in Windows 8.1 and Windows 8 Q3019868 KB3019868 January 25, 2021
3015354 Update of multimedia class device drivers fails after you upgrade Windows Q3015354 KB3015354 January 25, 2021
3013531 Update to support copying .mkv files to Windows Phone from a computer that is running Windows Q3013531 KB3013531 January 25, 2021
3013125 "Unable to connect to the computer" error when you try to manage iSCSI virtual disks in Windows Server 2012 Q3013125 KB3013125 January 25, 2021
3012982 Update to enable Schannel crypto APIs to be called from a DPC-level driver in Windows 8.1 and Windows Server 2012 R2 Q3012982 KB3012982 January 25, 2021
3008627 Unexpected UAC prompt after you install update 2918614 in Windows Q3008627 KB3008627 January 25, 2021
3006137 Update changes the currency symbol of Lithuania from the Lithuanian litas (Lt) to the euro (€) in Windows Q3006137 KB3006137 January 25, 2021
3005781 Update for remote applications and Remote Desktop Easy Print that uses RDP 8.1 client in Windows 8.1 or Windows 7 Q3005781 KB3005781 January 25, 2021
3005712 USB personal healthcare devices cannot be recognized in Windows 8.1 and Windows Server 2012 R2 Q3005712 KB3005712 January 25, 2021
3005346 Unexpected UAC prompt from network on a Windows 8.1-based device Q3005346 KB3005346 January 25, 2021
3004546 Updated APN entry for Latvian Mobile Telephone in Windows 8.1 or Windows Server 2012 R2 Q3004546 KB3004546 January 25, 2021
3004074 Update to support UHS-1 SD cards in Windows 8.1 Q3004074 KB3004074 January 25, 2021
3003727 USB 3.0 debugger through a USB 2.0 port is not supported on Intel System-on-Chip (SoC) devices in Windows 8.1 Q3003727 KB3003727 January 25, 2021
3003074 Update to improve how the Windows clipboard handles OLE data transfer for media types in Windows 8.1 or Windows RT 8.1 Q3003074 KB3003074 January 25, 2021
3002653 Update to support AAC and LATM format audios in Windows 8.1 or Windows 8 Q3002653 KB3002653 January 25, 2021
2999324 Update to change event log text in Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2 Q2999324 KB2999324 January 25, 2021
2999226 Update for Universal C Runtime in Windows Q2999226 KB2999226 January 25, 2021
2998590 Unexpected display rotation after you close an application in Windows 8.1 or Windows Server 2012 R2 Q2998590 KB2998590 January 25, 2021
2994290 Update to Language Interface Packs for Windows 8.1 and Windows RT 8.1 Q2994290 KB2994290 January 25, 2021
2992073 Update Rollup 2 is available for the Play To feature in Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 Q2992073 KB2992073 January 25, 2021
2991000 Update to block out-of-date ActiveX controls in Internet Explorer Q2991000 KB2991000 January 25, 2021
2990969 User can change proxy settings that are locked by GPO in Windows 8.1 or Windows Server 2012 R2 Q2990969 KB2990969 January 25, 2021
2983202 Update to display Supplementary Characters correctly in Windows Q2983202 KB2983202 January 25, 2021
2982823 Update to enable you to provision AppX packages and bundles offline in Windows 8.1 or Windows Server 2012 R2 Q2982823 KB2982823 January 25, 2021
2981965 Update to remove memory management flush serialization for all file system drivers in Windows Q2981965 KB2981965 January 25, 2021
2979525 Update to enable discovery of cloud services in Server Manager in Windows Q2979525 KB2979525 January 25, 2021
2979070 Update to improve battery life during low-power audio playback in Windows 8.1 and Windows RT 8.1 Q2979070 KB2979070 January 25, 2021
2976344 Update to add pronunciation Pinyin strings when you input Chinese characters in Windows RT 8.1 or Windows 8.1 Q2976344 KB2976344 January 25, 2021
2970228 Update to support the new currency symbol for the Russian ruble in Windows Q2970228 KB2970228 January 25, 2021
2959144 USB device remove and install repeatedly when it is connected to a Windows-based computer Q2959144 KB2959144 January 25, 2021
2941592 Unable to use the Xbox Video app to play a movie on your Xbox game console in Windows 8.1 and Windows Server 2012 R2 Q2941592 KB2941592 January 25, 2021
2937781 Update enables input productivity experiences in Chinese Pinyin IME in Windows 8.1 Q2937781 KB2937781 January 25, 2021
2934123 USB selective suspend feature is disabled in Windows Q2934123 KB2934123 January 25, 2021
2925479 Useless characters are logged in Event ID 153 in Windows Q2925479 KB2925479 January 25, 2021
2922474 Unexpected DPI appears when a Windows 8.1-based device that has iSCT enabled resumes from sleep Q2922474 KB2922474 January 25, 2021
2914002 Update fixes several Windows Store app-related issues Q2914002 KB2914002 January 25, 2021
2909569 Update fixes issues and adds support to MDM clients in Windows RT 8.1 and Windows 8.1 Q2909569 KB2909569 January 25, 2021
2908816 Update for the CopyFile() function in nonbuffered scenarios in an SMB environment in Windows RT 8.1, Windows 8.1 and Windows Server 2012 R2 Q2908816 KB2908816 January 25, 2021
2902864 Update removes the "Windows 8.1 SecureBoot isn't configured correctly" watermark in Windows 8.1 and Windows Server 2012 R2 Q2902864 KB2902864 January 25, 2021
2901549 Update improves the reliability of Internet Explorer 11 in Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 Q2901549 KB2901549 January 25, 2021
2897917 User of a trusted forest domain cannot be added to a local group in Windows Q2897917 KB2897917 January 25, 2021
2890139 Update for Windows 8.1 that fixes issues with Web Setup Q2890139 KB2890139 January 25, 2021
2888049 Update is available that improves the network performance of Internet Explorer 11 in Windows Q2888049 KB2888049 January 25, 2021
2886439 Update for Internet Explorer Flash Player for Windows 8.1 and Windows 8 Q2886439 KB2886439 January 25, 2021
2881553 Update for the English Input Personalization Dictionary for Windows 8.1 Q2881553 KB2881553 January 25, 2021
2880582 Update for Japanese IME dictionaries in Windows 8.1 Q2880582 KB2880582 January 25, 2021
2880581 Update for Korean IME prediction dictionary in Windows 8.1 Q2880581 KB2880581 January 25, 2021
2880312 Update improves Windows 8.1 upgrade experience Q2880312 KB2880312 January 25, 2021
2875636 Update improves online video playback in Windows 8.1 Preview Q2875636 KB2875636 January 25, 2021
2870257 Update for Windows 8.1 Preview that enables service metadata packages to work correctly Q2870257 KB2870257 January 25, 2021
2864713 Update improves the robustness of data files in Windows 8.1 Preview Q2864713 KB2864713 January 25, 2021
2863204 Update improves Search charm performance in Windows 8.1 Preview Q2863204 KB2863204 January 25, 2021
2859675 Update adds support for new camera models in Windows 8.1 and Windows RT 8.1 Q2859675 KB2859675 January 25, 2021
2843630 Update helps unmanaged Office 2010 users work with Microsoft RMS in Windows Q2843630 KB2843630 January 25, 2021
2734786 Update for Japanese IME dictionaries in Windows 8.1 and Windows 8 Q2734786 KB2734786 January 25, 2021
929833 Use the System File Checker tool to repair missing or corrupted system files Q929833 KB929833 January 25, 2021
4508773 Update for Windows 8.1 and Windows Server 2012 R2: June 20, 2019 Q4508773 KB4508773 January 19, 2021
4517298 Update for Windows 8.1 and Windows Server 2012 R2: August 16, 2019 Q4517298 KB4517298 January 14, 2021
184802 User32.dll or Kernel32.dll does not initialize Q184802 KB184802 December 26, 2020
3197813 Updated channel information may affect Media Center program recordings Q3197813 KB3197813 December 18, 2020
4020514 Update for the .NET Framework 3.5 on Windows 8.1 and Windows Server 2012 R2 (KB4020514): May 2, 2017 Q4020514 KB4020514 October 24, 2020
4020505 Update for the .NET Framework 4.5.2 on Windows 8.1 and Windows Server 2012 R2 (KB4020505): May 2, 2017 Q4020505 KB4020505 October 24, 2020
4020499 Update for the .NET Framework 4.6.2 on Windows 8.1 and Windows Server 2012 R2 (KB4020499): May 2, 2017 Q4020499 KB4020499 October 24, 2020
4078130 Update to disable mitigation against Spectre, Variant 2 Q4078130 KB4078130 October 23, 2020
4496878 Update for Windows 8.1 and Windows Server 2012 R2: April 25, 2019 Q4496878 KB4496878 October 22, 2020
4462930 Update for Adobe Flash Player: October 9, 2018 Q4462930 KB4462930 October 22, 2020
4073576 Unbootable state for AMD devices in Windows 8.1 and Windows Server 2012 R2 Q4073576 KB4073576 October 22, 2020
941050 "User has not been authenticated"error when you try to access a network drive that's mapped to a web share Q941050 KB941050 May 28, 2020
4494447 Use Group Policy to apply WinHTTP proxy settings to Windows clients Q4494447 KB4494447 April 29, 2020
2923768 Update improves OneDrive (formerly SkyDrive) experience in Windows RT 8.1 and Windows 8.1 Q2923768 KB2923768 April 9, 2020
2913320 Update that improves OneDrive reliability and user experience when you edit files from multiple endpoints in Windows RT 8.1 and Windows 8.1 Q2913320 KB2913320 April 9, 2020
3201021 Update that enables user to set Application Pool to run as Null Virtual Account in Windows 8.1 or Windows Server 2012 R2 Q3201021 KB3201021 March 27, 2020
3133431 Update for Adobe Flash Player in Internet Explorer and Microsoft Edge: January 5, 2016 Q3133431 KB3133431 December 10, 2019
2967756 Usability limit for Volume Shadow Copy Service (VSS) in Windows Q2967756 KB2967756 November 12, 2019
12443 Upgrade to Windows 10: FAQ - Windows Help Q12443 KB12443 July 8, 2019
12434 Upgrade to Windows 10: FAQ - Windows Help Q12434 KB12434 July 8, 2019
828287 Unsupported Sysprep scenarios Q828287 KB828287 May 21, 2019
173884 Use snipping tool to capture screenshots - Windows Help Q173884 KB173884 February 4, 2019
4163525 Unexpected high network bandwidth consumption when clients scan for updates from local WSUS server Q4163525 KB4163525 October 19, 2018
2868581 Update improves file search experience on OneDrive in Windows 8.1 Preview Q2868581 KB2868581 September 25, 2018
2871052 Update that improves the stability of OneDrive in Windows 8.1 Preview Q2871052 KB2871052 September 21, 2018
2863723 Update improves OneDrive video playback in Windows 8.1 Preview Q2863723 KB2863723 September 21, 2018
4052728 UDP port leak in Wmiprvse.exe when a WMI Group Policy filter is used Q4052728 KB4052728 May 28, 2018
3068406 Unresponsive WSDA printing dialog box in Windows 8.1 Q3068406 KB3068406 October 26, 2017
2825759 Unable to view OEM content in the Microsoft Store Q2825759 KB2825759 October 26, 2017
17623 Utilities Q17623 KB17623 October 26, 2017
2011767 Unable to print large page documents from Windows Q2011767 KB2011767 May 18, 2017
3035583 Update installs Get Windows 10 app in Windows 8.1 and Windows 7 SP1 Q3035583 KB3035583 July 19, 2016
3125437 USB functionality stops working after a Bluetooth driver update on Windows 8.1 and Windows 7 Q3125437 KB3125437 December 12, 2015
3044374 Update that enables you to upgrade from Windows 8.1 to Windows 10 Q3044374 KB3044374 September 29, 2015
3083669 Update to make sure that applications can self-update after Windows 8.1 OOBE first running Q3083669 KB3083669 July 30, 2015
3065796 Unable to view folders containing greater than 37,435 files on a Media Trasfer Protocol device Q3065796 KB3065796 May 26, 2015
3039095 Update adds user name information to Directory Services event ID 1644 in Windows 8.1 or Windows Server 2012 R2 Q3039095 KB3039095 May 20, 2015
3022776 Update to add support for Generic Routing Encapsulation in Windows 8.1 and Windows Server 2012 R2 Q3022776 KB3022776 February 25, 2015
2992072 Update Rollup 2 is available for the Play To feature in Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 Q2992072 KB2992072 November 18, 2014
2977219 Updates to improve the compatibility of Azure RemoteApp in Windows 8.1 or Windows Server 2012 R2 Q2977219 KB2977219 September 9, 2014
2742680 Unexpected delay when you set modes on a Windows-based system that has multiple monitors Q2742680 KB2742680 September 7, 2014
2956577 Update adds query logging and change auditing to Windows DNS servers Q2956577 KB2956577 August 20, 2014
823206 Unexpected relationship is identified between Device Manager and the Local Area Connections Q823206 KB823206 August 20, 2014
2934797 USB device appears with a yellow exclamation mark in Windows Device Manager in Windows 8.1 or Windows Server 2012 R2 Q2934797 KB2934797 August 12, 2014
2978137 Update lets OEMs prevent specific non-video AVStream devices from being used on Windows 8.1 devices Q2978137 KB2978137 July 22, 2014
2985344 User profiles may fail to load after you install the Windows 8.1, or Windows Server 2012 R2 April 2014 update Q2985344 KB2985344 July 21, 2014
2973456 USB 2.1 device cannot be recognized when the BOS descriptor validation fails in Windows 8.1 and Windows Server 2012 R2 Q2973456 KB2973456 July 8, 2014
2941449 User logon takes a long time in Windows 8.1 or Windows Server 2012 R2 Q2941449 KB2941449 June 12, 2014
2968633 Update to improve the OneDrive experience in Windows RT 8.1 and Windows 8.1 Q2968633 KB2968633 June 10, 2014
2967162 Update to fix restart problems after you install update rollup 2919355 in Windows 8.1 or Windows Server 2012 R2 Q2967162 KB2967162 June 10, 2014
2957985 Unexpected "AD/SYSVOL version mismatch" message in Group Policy Results in Windows 8.1 or Windows Server 2012 R2 Q2957985 KB2957985 May 13, 2014
2932354 Update for Embedded Lockdown Manager on Windows Embedded 8 Standard and Windows Embedded 8.1 Industry devices Q2932354 KB2932354 May 13, 2014
2020286 Unexpectedly slow logon caused by large WMI repository in Windows or Windows Server Q2020286 KB2020286 April 28, 2014
2956732 Updates for version 2.0 of Windows Library for JavaScript in Windows 8.1 Q2956732 KB2956732 April 22, 2014
2953799 Unable to read OOBE registration descriptions in Windows 8.1 and Windows Server 2012 R2 Q2953799 KB2953799 April 10, 2014
2940217 USB 2.0 devices disappear from USBView after hibernate in Windows 8.1 or Windows Server 2012 R2 Q2940217 KB2940217 April 8, 2014
2939442 Unexpected printing output when you use an application that calls TxGetNaturalSize API to print certain content in Windows 8.1 or Windows Server 2012 R2 Q2939442 KB2939442 April 8, 2014
2929781 Update adds new TLS cipher suites and changes cipher suite priorities in Windows 8.1 and Windows Server 2012 R2 Q2929781 KB2929781 April 8, 2014
2918893 User profile corruption after you lose network connectivity or hibernate a Windows-based computer Q2918893 KB2918893 April 8, 2014
2913826 User variables are not resolved correctly in Windows Q2913826 KB2913826 April 8, 2014
2921128 Update to Windows.UI.Xaml.dll to provide improved app developer support Q2921128 KB2921128 March 11, 2014
2925145 USB disk drive letter is not displayed after a computer resumes from hibernation Q2925145 KB2925145 January 16, 2014
2914219 USB storage device does not work correctly in Windows 8.1 and in Windows Server 2012 R2 Q2914219 KB2914219 January 14, 2014
2914011 Update resolves a Windows Store app issue and a printer issue Q2914011 KB2914011 January 14, 2014
2924501 USB disk drive disappears from File Explorer after you resume the computer from hibernation in Windows 8.1 Q2924501 KB2924501 January 8, 2014
2903926 Update that improves battery life when you play music through a Bluetooth device in Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Q2903926 KB2903926 December 12, 2013
2908796 Using GPOs to change default logon domain name in the logon screen Q2908796 KB2908796 December 11, 2013
2909327 Update is available to optimize the positions of single characters in the Hong Kong quick input method dictionary in Windows 8.1 and Windows RT 8.1 Q2909327 KB2909327 December 10, 2013
2905627 Update that prevents zombie processes when process snapshotting or process cloning is used in Windows 8.1 and Windows Server 2012 R2 Q2905627 KB2905627 December 10, 2013
2901421 Update is available that prevents SQM data-collection in Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Q2901421 KB2901421 November 12, 2013
2901388 Update enables you to run the 32-bit version of Windows Store apps for Windows 8 in the 64-bit version of Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Q2901388 KB2901388 November 12, 2013
2897955 Update improves the performance of P2P video conferencing and enables HD Skype conferencing in Windows 8.1 and Windows Server 2012 R2 Q2897955 KB2897955 November 12, 2013
2896349 USB 3.0 Bluetooth device still drains power when computer is in sleep mode in Windows Q2896349 KB2896349 November 12, 2013
2901840 Upgrading Windows 8 to Windows 8.1 will cause PBR to become unstable when launched from the OEM firmware recovery button Q2901840 KB2901840 October 21, 2013
2898464 Update for Windows 8.1 that fixes issues with some network software solutions Q2898464 KB2898464 October 17, 2013
2895614 Update that improves the panorama capture experience in Windows 8.1 Q2895614 KB2895614 October 17, 2013
2895586 Update for Windows 8.1 that fixes issues with portrait devices Q2895586 KB2895586 October 17, 2013
2891214 Update for the .NET Framework 4.5.1 and the .NET Framework 3.5 for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 Q2891214 KB2891214 October 17, 2013
2891213 Update for the .NET Framework 4.5.1 and the .NET Framework 3.5 for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 Q2891213 KB2891213 October 17, 2013

Windows 8.1 articles, fixes and updates - letter U