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

Fix Microsoft Store After Changing Network

If you recently changed your network—switched Wi-Fi, moved to a new ISP, or updated router settin...

Fix Nginx 502 Bad Gateway Behind Cloudflare

If you're seeing a 502 Bad Gateway error on a site that uses both Nginx and Clou...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

How to Bypass Proxy for Windows Activation

Windows activation often fails when a proxy server is blocking the connection to Microsoft's acti...

Fix Windows Activation Blank Screen via Registry

After activating Windows, some users see a blank screen with only a cursor. This usually points t...