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

Certbot Renewal Failed Due to Nginx Configuration: How to Fix

How to Bypass Go Modules Proxy for Local Packages

When working with Go modules, the default proxy (proxy.golang.org) speeds up builds but can inter...

How to Fix Slow Windows Search Performance

When Windows Search takes minutes to find a file or returns no results, it's usually due to index...

Fix Windows Defender Error 502 Bad Gateway

You open Windows Security and see 'Error 502 – Bad Gateway.' This usually means Windows Defender ...

How to Fix PowerShell 404 Not Found for URL

When you run a PowerShell command like Invoke-WebRequest or Invoke-RestMethod<...