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

Fix PowerShell Stuck on Loading PowerShell 7

You launch PowerShell 7, and the window shows “Loading PowerShell 7” indefinitely. The prompt nev...

Systemd Service Failed to Start: Journalctl Log Analysis Guide

You run systemctl start myservice and get a generic failure message. The service doe...

Fix BitLocker 504 Gateway Timeout on Network Drives

You try to unlock a BitLocker-protected network drive or access a recovery key from a network loc...

Fix OneDrive Sync Permission Denied Error

You see a "permission denied" message when OneDrive tries to sync files. This usually means OneDr...

Fix Microsoft Teams Connection Refused After Update

After a Microsoft Teams update, you might see a "connection refused" error when trying to sign in...

How to Clear SSH Known Hosts and Fix Host Key Verification Failed