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

Fix Cloudflare SSL Flexible Redirect Loop on Nginx

If you're using Cloudflare's Flexible SSL mode and Nginx, you may encounter a redirect loop where...

How to Restore Windows Search Settings from Backup

If Windows Search stops working correctly—missing files, slow indexing, or wrong results—restorin...

Fix Windows Activation Token Expired via Command Line

If you see a message that your Windows activation token has expired, the system may refuse to act...

Fix Windows Search Connection Refused Due to Firewall

If Windows Search gives you a "connection refused" error, it usually means the firewall is blocki...

Fix SSH Permission Denied (publickey) on Raspberry Pi