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

Troubleshooting PowerShell Azure AD Connection Failures

When you run a PowerShell cmdlet like Connect-AzureAD and get an error, it can stop ...

Fix PowerShell Profile Causing Blank Screen at Startup

You open PowerShell, see a blank screen with no prompt, and the window appears frozen. This usual...

Fix Command Prompt Stuck at Loading Configuration

If Command Prompt freezes on the message 'Loading Configuration' and never finishes, you're not a...

How to Fix '404 Not Found' File Path Errors in CMD

Fix Windows Search Permission Denied Errors

You type a query into the Start menu or File Explorer search bar, and instead of results, you see...

Certbot Nginx Plugin Install Failures: Common Fixes

When you run certbot --nginx and get an error like "The nginx plugin is not working"...