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

How to Fix Windows Update Stuck at 100%

You've waited for a Windows update to finish, but it's stuck at 100% for minutes or hours. This i...

Fix OneDrive File Locked by Office Document Sync Issue

You open an Office file from OneDrive and see an error that the file is locked or in use by anoth...

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 VirtualBox Kernel Driver Permission Denied on Linux

Fix Windows Defender Stuck on Loading Black Screen

If Windows Defender (Microsoft Defender Antivirus) hangs on a black screen with a spinning or fro...

Fix Chrome Profile 502 Bad Gateway on Mac

If you see a "502 Bad Gateway" error in Chrome on your Mac, especially after a crash or update, i...