Checklists for software errors, setup, and tool workflows.

Fix Windows Search 504 Gateway Timeout via Registry

If you see a 504 Gateway Timeout error when using Windows Search, it usually mea...

Fix 'Cannot Open as Archive' Error for 7-Zip Password Files

You try to open a password-protected .7z or .zip file with 7-Zip and get the error 'Cannot open a...

How to Fix a 502 Bad Gateway in Chrome by Clearing Cache

If you see a 502 Bad Gateway error in Chrome, it usually means the server you're...

Fix Windows Activation Proxy Server Not Responding

When you try to activate Windows and see “proxy server not responding,” it usually means Windows ...

Fix OneDrive Sync Offline Installer Error 0x8004de40

When installing OneDrive using the offline installer, you may see error code 0x8004de40. This typ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...