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Articles for product: Windows 8.1

Article ID Article Title Hidden
4493446 April 9, 2019—KB4493446 (Monthly Rollup)
4493467 April 9, 2019—KB4493467 (Security-only update)
4493478 Security Update for Adobe Flash Player: April 9, 2019
4494446 An Internet Explorer or Edge window opens when your computer connects to a corporate network or a public network
4494799 Earlier Windows versions don't start after "Setup Windows and Configuration Manager" step if Pre-Provision BitLocker is used with Windows 10, version 1511
4496878 Update for Windows 8.1 and Windows Server 2012 R2: April 25, 2019
4497197 How to prepare Windows and Office for the new Japanese era change
4497410 Microsoft .NET Framework 4.8 Language Pack (Offline Installer) for Windows
4497578 Windows 8.1: You cannot use Windows PowerShell to manage Windows Defender after installing the October 9, 2018 update
4497932 Security Update for Adobe Flash Player: May 14, 2019
4499151 May 14, 2019—KB4499151 (Monthly Rollup)
4499165 May 14, 2019—KB4499165 (Security-only update)
4499182 May 23, 2019—KB4499182 (Preview of Monthly Rollup)
4501226 DST changes in Windows for Morocco and the Palestinian Authority
4502539 Some SIDs do not resolve into friendly names
4503276 June 11, 2019—KB4503276 (Monthly Rollup)
4503283 June 20, 2019—KB4503283 (Preview of Monthly Rollup)
4503290 June 11, 2019—KB4503290 (Security-only update)
4503308 Security Update for Adobe Flash Player: June 11, 2019
4504418 Servicing stack update for Windows Server 2012, Windows 8.1 and Windows Server 2012 R2: July 9, 2019
4507448 July 9, 2019—KB4507448 (Monthly Rollup)
4507457 July 9, 2019—KB4507457 (Security-only update)
4507463 July 16, 2019—KB4507463 (Preview of Monthly Rollup)
4507623 Some Bluetooth devices may fail to pair or connect after applying June 11, 2019 or later updates
4507704 DST changes in Windows for Brazil and Morocco
4508640 Event Viewer may close or you may receive an error when using Custom Views
4508773 Update for Windows 8.1 and Windows Server 2012 R2: June 20, 2019
4512478 August 17, 2019—KB4512478 (Preview of Monthly Rollup)
4512488 August 13, 2019—KB4512488 (Monthly Rollup)
4512489 August 13, 2019—KB4512489 (Security-only update)
4512938 Servicing stack update for Windows 8.1, RT 8.1, and Server 2012 R2: September 10, 2019
4512989 Actual I/O time-out is 10 times shorter than the specified value in User-Mode Driver Framework 2.0
4514157 Windows guidance for Bluetooth key length enforcement
4516041 September 24, 2019—KB4516041 (Preview of Monthly Rollup)
4516064 September 10, 2019—KB4516064 (Security-only update)
4516067 September 10, 2019—KB4516067 (Monthly Rollup)
4516115 Security Update for Adobe Flash Player: September 10, 2019
4517298 Update for Windows 8.1 and Windows Server 2012 R2: August 16, 2019
4519108 DST changes in Windows for Norfolk Island and Fiji Island: October 2019
4519990 October 8, 2019—KB4519990 (Security-only update)
4520005 October 8, 2019—KB4520005 (Monthly Rollup)
4520012 October 15, 2019—KB4520012 (Preview of Monthly Rollup)
4520296 MS Mincho and MS PMincho fonts do not show the new Japanese era as expected
4520412 2020 LDAP channel binding and LDAP signing requirements for Windows
4521864 Servicing stack update for Windows 8.1, RT 8.1, and Server 2012 R2: October 8, 2019
4524156 October 3, 2019—KB4524156 (Monthly Rollup)
4524445 Servicing stack update for Windows 8.1, RT 8.1, and Server 2012 R2: November 12, 2019
4525243 November 12, 2019—KB4525243 (Monthly Rollup)
4525250 November 12, 2019—KB4525250 (Security-only update)
4525252 November 19, 2019—KB4525252 (Preview of Monthly Rollup)