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

Fix Windows Update Pending File Rename Locked Error

You've seen the error: Windows Update gets stuck on 'pending file rename' or 'locked' status, oft...

Fix Command Prompt High CPU Usage Caused by Windows Update

You open Task Manager and see Command Prompt (cmd.exe) using a lot of CPU – sometimes 30% or more...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Fix Windows Security Token Expired Permissions Denied Error

If you see 'security token expired' or 'permissions denied' when accessing files, folders, or net...

Fix PowerShell Ubuntu Missing Dependencies in WSL

When trying to install PowerShell on Ubuntu under WSL, you might see errors about missing depende...

PowerShell DNS Server Troubleshooting Checklist

When DNS resolution fails or a server stops responding, PowerShell provides direct cmdlets to dia...