Checklists for software errors, setup, and tool workflows.

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Fix Rust Cargo Linker Error 'Not Found'

When running cargo build or cargo check, you may see an error like:

...

Fix Windows Search Not Working on Ubuntu via VirtualBox

If you run Windows on Ubuntu—either through VirtualBox or as a dual boot—you might find that Wind...

How to Fix Windows Defender Not Turning On

Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...

Fixing AWS CLI Command Prompt Token Expired Errors

If you see 'Token expired' or 'The security token included in the request is expired' when runnin...

Fix Chrome SSL Certificate Error on Windows 10

You open Chrome on your Windows 10 PC and see a warning like "Your connection is not private"...

Windows Security Not Opening: Practical Fixes That Work
When you click the Windows Security shield icon or try to open it from Settings and nothing happe...