Knowledge base for software setup, errors, and daily tool work.

Certbot Nginx Plugin Install Failures: Common Fixes

When you run certbot --nginx and get an error like "The nginx plugin is not working"...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix Task Scheduler Error 101: Failed to Start

You see Event ID 101 in the Windows Event Viewer under TaskScheduler, and the task didn't run. Th...

Fix Outlook Access Denied to Archive PST File

When you see "Access denied" while trying to open an archive PST file in Outlook, it usually mean...

Fix PowerShell 502 Bad Gateway with Curl

If you're seeing a 502 Bad Gateway error when running curl commands in PowerShell, it usually mea...