Software comparisons, alternatives, and tool decision notes.

Fix Windows Defender 404 Error in Command Prompt

When you try to run Windows Defender commands from Command Prompt and get a '404 Not Found' error...

Fix Outlook 502 Bad Gateway Error in Office 365

If you're seeing a '502 Bad Gateway' error when trying to use Outlook with Office 365, it usually...

Fix Chrome Profile Corruption on Ubuntu

If Chrome on Ubuntu starts crashing, showing blank pages, or refusing to open with a message like...

Fix OneDrive Error 0x8004de40: Sync Not Working

If you see error code 0x8004de40 when trying to sync files in OneDrive, it usually means the conn...

Fix PowerShell 'Permission Denied' When Starting Scripts

When you try to run a PowerShell script and get a 'permission denied' error, it usually means the...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...