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

Node.js Memory Limit Increase Not Working: Fixes

You set --max-old-space-size=4096 but Node.js still crashes with a memory error. Thi...

Fix Nginx Upstream Connection Refused & Upstream Not Found

When you see upstream connection refused or upstream not found in your ...

Fix 'Git Remote Origin Already Exists' When Updating Remote URL

Windows 11 Update Stuck at 0% in Safe Mode: How to Fix

You boot into Safe Mode to troubleshoot a problem, but Windows Update shows 0% and won't budg...

Fix Windows Security App Missing from Start Menu

You open the Start menu, type “Windows Security,” but nothing appears. The app may have been unre...

Fix Git Lock File Not Deleted After Crash

If Git reports a lock file error after a crash, it usually means a previous Git operation was int...