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

How to Resolve Git Pull Merge Conflicts

When you run git pull and get a merge conflict, it means your local changes overlap ...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Windows Activation Version Mismatch After Upgrade

After upgrading Windows—whether from Home to Pro or from an older build to a newer one—you might ...

Fix OneDrive Error 0x8004deb4: Sync Failed to Start

OneDrive error 0x8004deb4 typically appears when you try to start syncing but the process fails i...

MySQL Connection Refused After Restart: Quick Fixes

After restarting your MySQL server, your application may show a "connection refused" er...

BitLocker Recovery Key Not Accepted on USB Drive: Fixes

You’re trying to unlock a BitLocker-encrypted drive using a USB flash drive that contains your re...