
Fix Windows Update High CPU Usage and Error 0x80070002
When Windows Update runs, you may see high CPU usage and eventually error 0x80070002. This usuall...
Software troubleshooting desk

When Windows Update runs, you may see high CPU usage and eventually error 0x80070002. This usuall...

If Windows suddenly shows an activation error even though your license is valid, a corrupted acti...

You click "Check for updates" and see error 0x80072F0D or a message like "A certificate chain pro...

You open Task Manager and see Microsoft Store eating 20-30% CPU, even when you're not using it. T...

You run certbot renew and get an error code instead of a renewed certificate. This i...

When you click the Windows search bar, it appears blank or shows nothing—no recent apps, no files...