Checklists for software errors, setup, and tool workflows.

Fix 'Access Denied' When Running PowerShell Scripts

If you see Access Denied or UnauthorizedAccess when running a P...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

You're browsing with Chrome and your VPN is on, but suddenly pages won't load and you see

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Fix PuTTY Network Error: Connection Refused on Ubuntu

When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...

Fix OneDrive Permission Denied Error 0x80070005

You see a 'Permission Denied' error with code 0x80070005 when trying to open or sync files in One...

Fix Windows Security Proxy Error After Update

After a Windows update, you might see a proxy error in Windows Security (formerly Windows Defende...