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

Setting PHP Composer Memory Limit via Environment Variable

When running Composer, you may encounter a fatal error like "Allowed memory size exhausted" or "O...

Certbot Renewal Failed Due to Nginx Configuration: How to Fix

Fixing 'Access Denied' Errors When Running PowerShell Scripts

If you see an 'Access Denied' error when trying to run a PowerShell script, it's usually not a pe...

How to Identify High CPU Usage in Chrome Using Task Manager

Chrome can sometimes consume a lot of CPU, making your computer slow or loud. The built-in Task M...

Fix Windows Startup Repair Login Loop After Update

You sign in, see "Preparing Windows" or a spinning circle, then get dumped back to the login scre...

Fix WinSCP Permission Denied Publickey Authentication

When connecting to a remote server with WinSCP using SSH public key authentication, you may see t...