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

Windows Security Troubleshooting Checklist

If Windows security features aren't working as expected—like Windows Defender won't start, update...

Fix Windows Activation Proxy Server Not Responding

When you try to activate Windows and see “proxy server not responding,” it usually means Windows ...

Fix Windows Search Indexing Stuck at 99%

You open Indexing Options, see "Indexing complete" at 99%, and it never finishes. This is a known...

How to Use the OneDrive Sync Dependency Conflict Repair Tool

If OneDrive stops syncing with errors like "Action needed" or "Sync pending", a dependency confli...

Fix Microsoft Store App Not Opening on Startup After Update

After a recent Windows update, you might find that certain Microsoft Store apps—like Mail, Calend...

Fix Windows Defender Module Not Found Error 0x80070643