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

How to Fix Git Fatal Repository Not Found Error

How to Fix Chrome Profile SSL Certificate Error

You open Chrome and see an error like “Your connection is not private” or “NET::ERR_CERT_COMMON_N...

Fix Windows Terminal Port Already Allocated: Check Running Processes

When you see "port already allocated" in Windows Terminal, it usually means another program is us...

Nginx 502 Bad Gateway: A Practical Troubleshooting Guide

Seeing a 502 Bad Gateway from Nginx usually means the upstream server (like PHP-FPM, uWSGI, or a ...

How to Fix WinRAR Checksum Error and Configuration Settings

If you see a 'Checksum error' or 'CRC failed' message in WinRAR, the archive is likely damaged or...

Fix OneDrive Sync Error 0x80070194 on Windows

When OneDrive throws error 0x80070194 during sync, it usually means the sync engine can't access ...