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

Fix 502 Bad Gateway in Remote Desktop Connection

When you see a 502 Bad Gateway error while trying to connect via Remote Desktop,...

Fix Windows Activation File Locked by Antivirus

If you see an error like “Windows activation file locked by antivirus” or activation repeatedly f...

Fix BitLocker Error 504 When Unlocking a Drive

When you try to unlock a BitLocker-encrypted drive and see error 504, the drive remains locked an...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Stop systemd Service from Restarting in a Loop

If you have a systemd service that keeps restarting repeatedly — sometimes every few seconds — it...

Fix Windows Update Stuck After Clean Install of Windows 10

You've just done a clean install of Windows 10, but Windows Update is stuck, won't check for upda...