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

Cloudflare SSL Full Strict Origin Server Troubleshooting

When you set Cloudflare SSL/TLS encryption mode to Full (strict), your browser-to-Cloudflare conn...

Fix Remote Desktop Connection Blocked by Firewall

When you try to connect to a remote PC using Remote Desktop (RDP) and get an error like “Remote D...

Fix 'nginx cannot read file permission denied' Error

When Nginx returns a 403 Forbidden or logs "permission denied" for a static file, it'...

Fix Windows Search Index Not Indexing New Files

If you've added new files to a folder but Windows Search can't find them, the search inde...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

Fix Cloudflare Wildcard Subdomain and Root Domain Conflict

If you use a wildcard DNS record (e.g., *.example.com) on Cloudflare, you may run in...