Checklists for software errors, setup, and tool workflows.

Fix Edge Sync Stuck on Sign-In Loop

You open Microsoft Edge, try to sign in to sync your data, and it keeps looping back to the sign-...

Fixing Nginx Upstream Connection Refused in Load Balancing

When Nginx load balancing returns upstream connection refused, it means one or more ...

Fix DNS Probe Finished NXDOMAIN on Custom DNS Server

If you see “DNS PROBE FINISHED NXDOMAIN” in Chrome or another browser while using a custom DNS se...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fix VSCode IntelliSense Not Working for PowerShell

If you're editing PowerShell scripts in VS Code and IntelliSense stops showing suggestions (n...

Node.js Garbage Collection Tuning to Avoid Heap Out of Memory

If your Node.js process crashes with a FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed -...