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

Troubleshoot Windows Defender Update Stuck at 0%

You open Windows Security, trigger an update, and the progress bar sits at 0% for minutes or hour...

How to Run PowerShell at Startup Without User Login

If you need a PowerShell script to run every time Windows starts, even before a user logs in, you...

Fix Task Scheduler Authentication Failed Error

When a scheduled task fails with an authentication error, the task typically can't log in as the ...

Fix Command Prompt Not Recognizing Commands

How to Fix Chrome Profile Port Already Allocated Error

If you see an error message like "Profile port already allocated" when opening Google Ch...

Fix OneDrive Sync Error 0x8004de40 on Windows

When OneDrive shows error 0x8004de40, it usually means a network problem is blocking the sync. Yo...