Software comparisons, alternatives, and tool decision notes.

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

UFW Port Closed Despite Allow Rule: Fixes

You've added a UFW allow rule for a port, but a port scan or service test shows the port is still...

Fix Microsoft Store Rate Limit Error on Windows 11

You're browsing the Microsoft Store on Windows 11 and suddenly see a 'Rate limit exceeded' or 'To...

Fix Cloudflare DNS Not Working with VPN Connection

If you use Cloudflare DNS (1.1.1.1) and a VPN together, you may hit a snag where DNS stops resolv...

Fix Microsoft Store 404 Error by Clearing Cache

When you open Microsoft Store and see a 404 error, it usually means the app can't load its conten...

How to Fix 'ERR_TUNNEL_CONNECTION_FAILED' on Chrome for Mac

If you see ERR_TUNNEL_CONNECTION_FAILED in Chrome on your Mac, it usually means ...