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

Fix Microsoft Teams 'File Locked' Error When Editing

When you try to edit a document in Microsoft Teams and see a 'file locked' or 'file in use' messa...

Fix 'Port Already Allocated' with Security Permission Denied

You try to start a service or application, and you get an error like "port already allocated" or ...

Fix Windows Update 502 Bad Gateway Due to DNS Configuration

If you see a '502 Bad Gateway' error when running Windows Update, the problem is often on the net...

Fix Windows Defender Network Error in Configuration Tool

When you open the Windows Defender Configuration Tool and see a network error, it usually means t...

Fix SSH Permission Denied (publickey) on Raspberry Pi