Checklists for software errors, setup, and tool workflows.

Fix 'Putty Connection Refused' Error on Localhost

When you try to connect to localhost with Putty and get 'connection refused', it usually means th...

How to Fix Chrome Profile Error: Permission Denied

You try to launch Chrome and get an error like "Your profile could not be opened correctly" or "P...

How to Clear Windows Update Cache for Pending Installs

You see 'Pending install' in Windows Update but the download or install never finishes. Sometimes...

How to Reduce Windows Security Memory Usage

Windows Security (formerly Windows Defender) can sometimes use more memory than expected, especia...

Fix Windows Update Sync Issues Between Devices

If you have multiple Windows 10 or 11 devices signed in with the same Microsoft account, you expe...

Fix Go Modules Proxy 'No Such Host' Error

When using Go modules with a proxy, you may see an error like:

go: example.com/modu...