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

Fix WSL Ubuntu resolv.conf Reset on Every Reboot

If you run Ubuntu on WSL and you've manually edited /etc/resolv.conf to set custom D...

Fix Windows Update Cleanup Permission Denied Error

When you try to clean up Windows Update files using Disk Cleanup, you might see a "permission den...

Fix Windows Defender Threat Service Stopped & No Internet

You open Windows Security and see 'Threat service has stopped. Restart it now.' At the same time,...

Fix KMS Activation Error: Port 1688 Already in Use

How to Fix BitLocker Connection Refused Setup Error

You're setting up BitLocker and get a 'connection refused' error. This usually happens during net...

Windows Security Configuration Checklist

If you're setting up a new Windows machine or reviewing an existing one, a security checklist hel...