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

Fix ‘Permission Denied’ When Auto-Starting Remote Desktop

You set your remote desktop client to launch automatically at startup, but instead of connecting,...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Troubleshoot 502 Bad Gateway in Windows Terminal: Checklist

You're using Windows Terminal and suddenly see a 502 Bad Gateway error when tryi...

Fix Windows Update Assistant Not Working on Mac

If you're running Windows on a Mac via Boot Camp, Parallels, or another virtual machine, the Wind...

Fix 'OneDrive File Locked by Another User' Sync Stuck

You're trying to sync a file in OneDrive, but it's stuck and shows 'File locked by another user'....

How to Clear Cached Tokens in Windows Terminal

If you're seeing authentication errors, profile loading failures, or unexpected sign-out prompts ...