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

How to Fix Remote Desktop Slow Over VPN

If your Remote Desktop (RDP) session is sluggish over VPN—laggy mouse, slow screen updates, frequ...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

How to Fix BitLocker Auto-Unlock Not Working

If BitLocker auto-unlock stops working, you're prompted for a recovery key or password each time ...

How to Repair Windows Update Using System File Checker

If Windows Update fails with errors like 0x80070002 or 0x800736B3, corrupted system files are oft...

Fix Chrome 502 Bad Gateway Error on Windows 10

You're browsing in Chrome on Windows 10 and suddenly see 502 Bad Gateway. The pa...

Fix Windows Security File Locked Error 0x80070020

You try to move, delete, or rename a file, and Windows shows error 0x80070020: "The file is locke...