Checklists for software errors, setup, and tool workflows.

Fix 'Authentication Failed' Errors in Windows Server CMD

When you see 'authentication failed' while running commands in Windows Server's command prompt, i...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Chrome Authentication Failed by Clearing Cache

You're trying to sign in to a website in Chrome, but you get an "authentication failed" error. Th...

Fix Windows Activation Update Error 0x80070643

If you see error 0x80070643 during a Windows activation update, the update process has been inter...

Outlook 504 Gateway Timeout: Proxy and Firewall Fixes

If you see a "504 Gateway Timeout" error in Outlook, it usually means a network device (proxy or ...

Fix Firefox Secure Connection Failed Due to Wrong Time or Date

When Firefox shows a 'Secure Connection Failed' error and mentions the time or date is wrong, it ...