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

How to Fix Windows Defender High CPU Usage by Disabling Real-Time Protection

If Windows Defender is causing high CPU usage, it can slow down your computer. The most direct fi...

Fix PowerShell Cache Clear Permission Denied Error

When you try to clear the PowerShell cache (for example, deleting the $env:Temp\* fi...

Fix FFmpeg Audio Out of Sync in MP4 Files

If you've encoded an MP4 with FFmpeg and noticed the audio drifts out of sync—voice lagging behin...

How to Set Up a New Chrome Profile After a Crash

If Chrome crashes and won't open your usual profile, creating a new profile can get you back onli...

Fix Chrome Profile Authentication Failed Permission Denied

If you see 'Profile authentication failed: Permission denied' when launching Chrome, the browser ...

BitLocker Recovery Key Not Accepted: Fix Authentication Failed Error