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

Fix Windows Search High CPU Usage by Rebuilding Index

If your PC fan is spinning up and Task Manager shows SearchIndexer.exe using high CPU, the search...

How to Fix Windows Defender Error 0x80070422

When you see error 0x80070422 in Windows Defender, the Security Center service or Windows Update ...

Fix Microsoft Teams Proxy Error Not Connecting

If you see "proxy error" or "not connecting" in Microsoft Teams, it usually means the app can't r...

Fix BitLocker NTFS Partition Not Accessible in Ubuntu

If you have a dual-boot system or an external drive encrypted with BitLocker, you may find that U...

Command Prompt Connection Error Troubleshooting Guide

Fix Windows Defender DNS Error Permission Denied

You run a scan or update in Windows Defender and see an error like "DNS error permission denied" ...