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

Fix Cloudflare Origin Certificate with Let's Encrypt

If your origin server is rejecting the Cloudflare origin certificate—perhaps because of a SAN mis...

How to Set Node Version for a Project

When working on multiple projects that require different Node.js versions, you may encounter erro...

Fix Edge Sync Not Working Due to Third-Party Antivirus

If your Microsoft Edge browser stops syncing bookmarks, passwords, or settings after installing o...

Fix Cloudflare DNS Propagation Not Happening for www

You updated DNS records for your www subdomain in Cloudflare, but hours (or days) later, the chan...

How to Enable Windows Defender Real-Time Protection via Group Policy

If Windows Defender real-time protection is turned off and grayed out, it's often because a G...

Fix Git Push Rejected Non Fast Forward Error