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

UFW Firewall Rules Not Applying to Docker Containers: Fixes

You've set up UFW rules to restrict traffic, but Docker containers still connect freely. This is ...

Windows Terminal Memory Not Dropping: Fixes That Work

You close tabs in Windows Terminal, but memory usage stays high. Task Manager shows the process h...

Fix BitLocker Error 0x8031004b After Settings Reset

If you see error 0x8031004b when trying to unlock or enable BitLocker after a settings reset, it ...

Fix PowerShell Authentication Failed Credentials Error

Fix Windows Activation Auto-Start Service Stuck

You go to activate Windows, but the activation window just hangs or shows "Checking..." indefinit...

BitLocker File Locked: Troubleshooting Checklist

You try to open a file on a BitLocker-encrypted drive and get an error saying the file is locked ...