After installing the March 2026 cumulative update (KB5079473), signing in with Microsoft accounts might fail for some Microsoft applications, including Microsoft Teams Free, Office apps, or OneDrive.Read more
windows update
Windows Update Error 0x800705B4 in Server 2016
When you try to install the latest updates on a Windows Server 2016 computer, you may encounter the error code 0x800705B4. The WindowsUpdate.log file, generated using the Get-WindowsUpdateLog PowerShell cmdlet, may contain the following lines:Read more
C: Drive Inaccessible on Samsung Devices [Fixed]
After installing the February 2026 or March 2026 Cumulative Update, the C: drive may become inaccessible on some Samsung devices. Microsoft has acknowledged this issue. Please see the Windows Known Issues page: Windows 11, version 25H2 known issues and notifications | Microsoft Learn
Also, you’re unable to run Task Manager (taskmgr.exe). You receive the error “Windows cannot access C:\Windows\System32\taskmgr.exe“. Command Prompt (admin) and other tools don’t work.
The affected Samsung models are NP750XGJ, NP750XGL, NP754XGJ, NP754XFG, NP754XGK, DM500SGA, DM500TDA, DM500TGA, and DM501SGA.
“Your device is missing important security and quality fixes” Error in Windows 10
On a Windows 10 device that has already been enrolled in the Windows 10 Consumer ESU program and fully updated, the error message “Your device is missing important security and quality fixes” may still appear in the Windows Update settings page.Read more
Fix: Can’t install Language Pack in Windows 10 or 11
When you attempt to install a language pack via Settings or PowerShell in Windows 10 or 11, the language pack fails to install, and you may encounter error code 0x80073D01. In some cases, you may see other error codes mentioned below:
0x80073D01 0x8024002E 0x8034500C 0x800f0954
Year Missing in Taskbar Tray Clock in Windows 11
After updating your Windows 11 system, you may notice the notification bell missing in the tray area. Also, the year may be missing in the tray clock.
Why didn’t I get the Windows 11 24H2 update?
Even though Windows Update works fine and delivers quality updates and other updates correctly, you wonder why it doesn’t offer the latest Feature update (e.g., Windows 11 24H2) on your system.Read more
“Get the latest updates as soon as they’re available” is Grayed Out
When you open Settings and click Windows Update in Windows 10 or 11, the “Get the latest updates as soon as they’re available” option may be grayed out.Read more
Fix: Windows Update service keeps getting disabled
When you enable and start the Windows Update and BITS services, they may get disabled automatically after a few seconds.
A background service may be disabling Windows Update and related services, such as BITS, Delivery Optimization, WaasMedicSvc, etc.Read more