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

Fix Windows Defender Authentication Error from Corrupted System Files

You open Windows Defender and see an authentication failed error. This often happens after a fail...

Fix Command Prompt High CPU Usage After Closing CMD

You close Command Prompt, but your CPU fan keeps spinning. Task Manager shows high CPU usage from...

Fix Microsoft Teams Not Opening on Startup in Windows 11

You’ve set Microsoft Teams to open when you log in, but it’s not starting. This is a common annoy...

Fix PowerShell Backup Restore Sync Errors Between Source and Destination

When using PowerShell scripts for backup and restore, sync errors between source and destination ...

Fix Task Scheduler 'File Locked' or 'Access Denied' Errors

You set up a scheduled task to run a script or program, but it fails with 'File Locked' or 'Acces...

How to Fix Git Fatal Repository Not Found Error