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

Fix 'Cannot Open as Archive' Error for 7-Zip Password Files

You try to open a password-protected .7z or .zip file with 7-Zip and get the error 'Cannot open a...

How to Disable Proxy for Microsoft Store

If the Microsoft Store won't load, download apps, or update, a misconfigured proxy is often the c...

Fix Windows Update Path Not Found Error in Windows 11

You see an error like 'Windows Update path not found' when trying to update Windows 11. This usua...

Enable Windows Security Manually When It Fails to Start

If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...

How to Fix Cloudflare 521 Error on a WordPress Site

If you see a Cloudflare 521 error on your WordPress site, it means Cloudflare can't connect to yo...

Fix 'Windows Defender Not Recognized' Error in Command Prompt