Fix 'Turn On Windows Defender Access Denied' Error
You try to turn on Windows Defender, but get an "Access Denied" message. This usually means somet...
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Browse labHow to Fix Windows Defender Blank Screen Issue
If you open Windows Defender (now called Windows Security) and see only a blank white or black sc...
How to Fix BitLocker Rate Limit Error
You're trying to unlock a BitLocker-encrypted drive or recover a key, and you see a rate limit er...
Fix Windows Security Real-Time Protection Not Working
If you see a yellow warning in Windows Security that says "Real-time protection is off" or it tur...
Fix Windows Update High Memory Usage When Not Working
You open Task Manager and see Windows Update using 50% or more of your RAM, while updates are stu...
Fix Windows Activation Error 0x8007232b: Authentication Failed
You see "Windows activation authentication failed" with error code 0x8007232b. This usually means...