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

Fix Windows Defender Real-Time Protection Stuck Off in Windows 11

You open Windows Security, see real-time protection is off, click the toggle, and it turns back o...

How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error

Fix VSCode Permission Denied Extension Errors

If you see a "permission denied" error when trying to install or update an extension in V...

Windows Explorer Restarting Checklist for Advanced Users

If Windows Explorer (explorer.exe) keeps restarting—freezing, flashing, or crashing repeatedly—it...

Fix Windows Cannot Access Shared Folder Error 0x80070035

When you try to access a shared folder on another computer and see "Windows cannot access \\c...

How to Fix Cloudflare 521 Error Due to Proxy Issues

If you see a Cloudflare 521 error, the message usually says something like “Web server is down.” ...