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

How to Disable Shell Extensions to Stop Explorer Restarting

If File Explorer keeps restarting, crashing, or freezing on its own, a misbehaving shell extensio...

Node.js Memory Leak Detection: Tools and Practical Fixes

Node.js applications can develop memory leaks over time—heap usage grows steadily, response times...

Fix DNS Probe Finished NXDOMAIN After Changing DNS

After updating your DNS settings—perhaps to use Google Public DNS or Cloudflare—you might see the...

Cloudflare SSL Full Strict Error 525 Fixes

If you see Error 525: SSL handshake failed when using Cloudflare with SSL set to...

Fix Nginx Upstream Connection Refused in Proxy Pass