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

Fix Chrome High CPU Usage on Mac: Practical Steps

If your Mac's fans spin up and battery drains fast while Chrome is open, high CPU usage is likely...

Fix OneDrive Sync 404 Error After Windows Update

After a Windows update, you might see a 404 error when trying to sync files in OneDrive. This usu...

Fix Windows Update Blank Screen with No Cursor

You install a Windows update, reboot, and instead of the login screen you see a blank display wit...

Fix Command Prompt Service Unavailable on Windows 11

When you try to open Command Prompt on Windows 11 and see 'Service unavailable' or a blank window...

Fix PowerShell Service Unavailable After Update

After a Windows update, you might see errors like "Service Unavailable" when trying to launch Pow...

Fix SSH Permission Denied (publickey) on Raspberry Pi