Checklists for software errors, setup, and tool workflows.

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Fix Maven Dependency Resolution Issues Behind a Proxy

When Maven cannot resolve dependencies, a common hidden cause is incorrect proxy configuration. Y...

Fix PowerShell DNS Resolution Failed Error

If you see DNS resolution failed when running a PowerShell command that tries to con...

Fix Windows Search Dependency Conflict After Update

After a Windows update, you might find the search bar stops working, returns no results, or shows...

PowerShell 504 Gateway Timeout: Diagnosis and Resolution Checklist

When PowerShell returns a 504 Gateway Timeout error, it means the web server acting as a gateway ...

Fix Chrome DNS_PROBE_FINISHED_NXDOMAIN Error

You're trying to load a website in Chrome, but instead you see: This site can't be reache...

Fix Cloudflare DNS Not Working with VPN Connection
If you use Cloudflare DNS (1.1.1.1) and a VPN together, you may hit a snag where DNS stops resolv...