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

How to Fix Windows Defender Not Working

If Windows Defender won't open, stops responding, or fails to update, you're not alone. This guid...

How to Fix Microsoft Store Stuck on Loading Screen

If the Microsoft Store hangs on the loading screen—showing only a spinning circle or a blank whit...

Fix DNS_PROBE_FINISHED_NXDOMAIN Error in Chrome for All Sites

If you see DNS_PROBE_FINISHED_NXDOMAIN in Chrome and no sites load, it means you...

Fix Windows Security High CPU Usage During Malware Scans

You run a malware scan in Windows Security (formerly Windows Defender) and notice your CPU fan ra...

Fix Microsoft Store Proxy Error 0x80131500

When you open Microsoft Store and see error 0x80131500, the app usually fails to load content or ...

Fix Windows Activation Command Error 0x80070002