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

Check if a Port Is Already Allocated Using Command Prompt

When you start a service or application and get an error like "Address already in use" or "Port i...

Fix Outlook Permission Denied Errors on Ubuntu

If you see 'Permission denied' when trying to run Microsoft Outlook on Ubuntu (for example throug...

Fix PowerShell 502 Bad Gateway Due to Proxy Configuration

If you're running PowerShell commands that make web requests—like Invoke-WebRequest ...

Fix MongoDB Authentication Failed Permission Denied Error