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

Fix Missing Taskbar Icons on a Second Monitor

If you've connected a second monitor and the taskbar icons aren't showing up on it, you&#...

Git Merge Unrelated Histories Without Losing Commits

You've cloned a repo, added a new remote, and now you need to merge two branches that don'...

Fix Nginx 502 Bad Gateway: Upstream Connection Refused

If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...

Fix Windows Update Error 0x80070002 Due to Low Disk Space

Windows Update error 0x80070002 often appears when your system drive lacks enough free space for ...

Fix Windows 11 Blue Screen After Update with System Restore

If you're seeing a blue screen after installing a Windows 11 update, System Restore can often...

How to Set npm Prefix to Avoid Permission Denied Errors