Fix KB5079473 Crashes and Freezes - March 2026
KB5079473 is causing Explorer freezes, blue screens, and app crashes. Here is how to stabilize your system or roll back safely.
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windows
Windows OS troubleshooting, updates, and fix guides
Fix: Boot Manager Blocked After March 2026 Update
KB5079473 replaced Secure Boot certificates and now your PC will not start. Here is how to reset Secure Boot and get back in.
Fix: Printer Driver Unavailable on Windows 11 - 2026
Windows 11 says your printer driver is unavailable. Microsoft blocked legacy V3/V4 drivers from Windows Update. Here's how to fix it.
Windows 11 OOBE Hell. How to bypass Microsoft Online
Microsoft killed the fake email trick in 24H2. Here are six ways to skip the Microsoft Account during Windows 11 setup that still work right now.
Bypass Windows 11 TPM and CPU Requirements
Your PC doesn't meet Windows 11 requirements but runs fine. Here's how to bypass TPM 2.0, Secure Boot, and CPU checks and install it anyway.
Fix KB5079473 Sign-In Error 0x800704cf
After KB5079473, personal Microsoft accounts can't sign in to OneDrive, Teams, Edge, or Copilot. Here's how to fix error 0x800704cf fast.
Fix KB5079473 Install Failures (March 2026)
The March 2026 update KB5079473 is failing to install on many machines, especially Surface and Snapdragon devices. Here's how to break the loop.
Fix: C Drive Access Denied on Samsung Galaxy Book
Galaxy Book users seeing "C:\ is not accessible. Access is denied" after a recent update - it's not Windows. Here's the real fix.
Fix: Teams Meeting Add-in Keeps Disabling in Outlook
Outlook disables the Teams Meeting add-in every few days because it loads too slowly. Here's the permanent registry fix to stop the cycle.
Fix: Teams Meeting Button Missing from Outlook
The Teams Meeting button vanished from your Outlook ribbon after a Teams update. The COM add-in registration is stale. Here's the fix.
Fix 0xc0000005: Outlook Crashes with Teams Add-in
Fix the 0xc0000005 crash in Classic Outlook caused by the Teams Meeting Add-in version conflict (Microsoft incident EX1254044).
Fix Error 0x800705b4: Windows Sandbox Timeout
Windows Sandbox hangs then fails with 0x800705b4? Four tested fixes for Windows 11 25H2 and 26H1.