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...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labWindows Defender Troubleshooting Checklist
Windows Defender (now Microsoft Defender Antivirus) usually runs quietly in the background, but s...
Outlook 504 Gateway Timeout: Proxy and Firewall Fixes
If you see a "504 Gateway Timeout" error in Outlook, it usually means a network device (proxy or ...
Fixing PowerShell Backup Restore Missing File or Directory Error
When restoring files with PowerShell, you may encounter a "missing file or directory" error even ...
Fix SSH Permission Denied (publickey) on Raspberry Pi
You're trying to SSH into your Raspberry Pi and getting Permission denied (publickey)
Fix Windows Activation DNS Not Resolving Server Name
When Windows fails to activate, the error often points to DNS problems — specifically, the server...