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

Fix High CPU Usage by Antivirus Scanning PowerShell

If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...

How to Fix '404 Not Found' File Path Errors in CMD

How to Add PowerShell to System PATH Variable in Windows

If you've installed PowerShell but can't launch it from a Command Prompt or another terminal with...

How to Fix Activation Error 0xc004c003 Using Command Prompt

If you see error 0xc004c003 during Windows activation, it usually means the activation grace peri...

Fix Windows Activation Authentication Failed Error: License Not Genuine

When you see a message like “Windows activation authentication failed” or “license not genuine,” ...

Chrome Profile Authentication Failed: Delete and Recreate Profile

You try to sign in to Chrome or access a Google service, and you get an error: “Profile a...