Windows 8.1 articles, fixes and updates - October 2019

This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft Windows 8.1 that have been released in October 2019. The list is daily updated.

• 4520012 October 15, 2019—KB4520012 (Preview of Monthly Rollup) Q4520012 KB4520012 October 15, 2019
• 4519108 DST changes in Windows for Norfolk Island and Fiji Island: October 2019 Q4519108 KB4519108 October 15, 2019
• 4034170 Which devices are supported by Microsoft Mouse and Keyboard Center? - Accessories troubleshooting Q4034170 KB4034170 October 14, 2019
• 4472027 2019 SHA-2 Code Signing Support requirement for Windows and WSUS Q4472027 KB4472027 October 10, 2019
• 4462930 Update for Adobe Flash Player: October 9, 2018 Q4462930 KB4462930 October 10, 2019
• 3172614 July 2016 update rollup for Windows 8.1 and Windows Server 2012 R2 Q3172614 KB3172614 October 10, 2019
• 4524156 October 3, 2019—KB4524156 (Monthly Rollup) Q4524156 KB4524156 October 8, 2019
• 4521864 Servicing stack update for Windows 8.1, RT 8.1, and Server 2012 R2: October 8, 2019 Q4521864 KB4521864 October 8, 2019
• 4520005 October 8, 2019—KB4520005 (Monthly Rollup) Q4520005 KB4520005 October 8, 2019
• 4519990 October 8, 2019—KB4519990 (Security-only update) Q4519990 KB4519990 October 8, 2019
• 4023443 Set up your Surface Q4023443 KB4023443 October 8, 2019
• 891716 Deploy Windows Malicious Software Removal Tool in an enterprise environment Q891716 KB891716 October 8, 2019
• 4516041 September 24, 2019—KB4516041 (Preview of Monthly Rollup) Q4516041 KB4516041 October 3, 2019
• 2970908 How to use Microsoft easy fix solutions Q2970908 KB2970908 October 1, 2019