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

Fix 'chrome command not found' in Bash on Linux

If you type chrome in your bash terminal and see command not found, it ...

Fix OBS Virtual Camera Not Detected by Zoom

You've set up OBS Studio with the Virtual Camera plugin, but Zoom shows nothing in the camera dro...

Fixing AWS CLI Command Prompt Token Expired Errors

If you see 'Token expired' or 'The security token included in the request is expired' when runnin...

Fix Windows Defender Security Center Not Opening

When you click the Windows Defender Security Center icon or try to open it from Settings, nothing...

Fix Windows Security Rate Limit Error Configuration

You may see a rate limit error in Windows Security when trying to update definitions, run a scan,...

How to Fix 'Microsoft Store Command Not Found' Error