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

Setup Windows Security Backup and Restore on Windows 11

If you're looking to set up backup and restore using Windows Security on Windows 11, note that Wi...

Fix Windows Defender Service Not Starting (Connection Refused)

When you see 'Windows Defender service not starting – connection refused', it usually means the s...

Fix Remote Desktop Connection Version Mismatch Error Code

When you try to connect to a remote PC using Remote Desktop Connection (RDP) and get a "version m...

PowerShell DNS Server Troubleshooting Checklist

When DNS resolution fails or a server stops responding, PowerShell provides direct cmdlets to dia...

How to Reset DNS Cache for Microsoft Store Issues

If the Microsoft Store won't load, shows error 0x80131500, or downloads stall, a corrupted DNS ca...

Fix Chrome SSL Certificate Error: Invalid Common Name