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

Windows Terminal Blank Screen: Diagnostic Checklist

You launch Windows Terminal and see nothing but a blank window—no cursor, no prompt, just an empt...

Fix Windows Terminal Not Working After Update

After a Windows or Terminal update, you might see a blank window, crash on launch, or error messa...

Fix Command Prompt Not Recognizing Commands

Microsoft Teams Screen Sharing Not Working on Mac: Fixes

You're in a meeting, click the share button, and nothing happens—or your screen shows a black box...

Fix Microsoft Teams File Locked Configuration Settings

When you see 'file locked' in Microsoft Teams, it usually means another user or process has the f...

Fix Windows Defender Permission Denied on Scan

If you see a 'Permission Denied' message when running a Windows Defender scan, it usually means t...