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

How to Enable Windows Defender Service Manually

If Windows Defender won't start or you see warnings that it's turned off, the underlying service ...

Fix OneDrive Version Mismatch Error 0x8004de40

When you see error 0x8004de40 in OneDrive, it usually means the app version on your computer does...

Fix Microsoft Teams Version Mismatch Permissions Issue

When you see a version mismatch error in Microsoft Teams, it usually means someone in your organi...

Fix Windows Security DNS Error Blocking Internet Access

If your internet stops working and you see a Windows Security DNS error, it usually means the DNS...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10

If you see ERR_TUNNEL_CONNECTION_FAILED in Chrome while browsing on Windows 10, ...