Checklists for software errors, setup, and tool workflows.

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Fix Command Prompt Proxy Settings 502 Bad Gateway

If you see a 502 bad gateway error when using command prompt tools like curl, npm, or git, the pr...

Fix RDP 504 Gateway Timeout via IIS Configuration

If you're seeing a 504 Gateway Timeout when connecting to Remote Desktop via an RD Gateway that u...

Fix Outlook 'Permission Denied' Error When Opening Attachments

When you try to open an attachment in Outlook and see a 'permission denied' error, it usually mea...

How to Fix Windows Security Backup Not Working

Windows Security backup (part of Windows Backup or File History) may stop working for several rea...

Fix MongoDB Authentication Failed Permission Denied Error

You connect to MongoDB and get Authentication failed or Permission denied

Fix Microsoft Teams Error 0x80070005: Access Denied
When Microsoft Teams shows error code 0x80070005, it usually means Teams can't access a needed fi...