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

How to Fix Microsoft Store Rate Limit Error

You're trying to download or update an app from the Microsoft Store, and you get a message about ...

Fix Windows Activation Proxy Error After Network Change

After changing networks—moving offices, switching ISPs, or reconfiguring a VPN—you might see a Wi...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix Windows Defender Update Error 0x80070490 on Windows 11

If you see error 0x80070490 when trying to update Windows Defender on Windows 11, it usually mean...

Fix Windows Activation 502 Bad Gateway Firewall Issues

When you try to activate Windows and see a 502 Bad Gateway error, it often point...

Fix Command Prompt Network Error: Permission Denied

When you see "permission denied" after a network command in Command Prompt, it usually means your...