Knowledge base for software setup, errors, and daily tool work.

Fix Windows Security Virus Scan Stuck at 99%

You run a full virus scan in Windows Security, and it gets stuck at 99% for minutes or hours. Thi...

How to Fix 'Repair Windows Defender Command Not Found' Error

If you run repair-windows-defender in Command Prompt or PowerShell and get a 'comman...

Fix Microsoft Teams Microphone Not Working in Windows 11

If your microphone stops working in Microsoft Teams on Windows 11, the problem is usually a permi...

How to Fix Chrome Profile Slow Performance

Common Causes of a Slow Chrome Profile

If Chrome feels sluggish only when you’re signed i...

Microsoft Store Not Downloading Apps: Fixes That Work

When the Microsoft Store refuses to download apps, you'll usually see a spinning circle, stuck pr...

Fix BitLocker Authentication Failed: Permission Denied Access

You try to unlock a BitLocker drive, and Windows returns "Authentication failed. Permissi...