If a Windows upgrade has ever gone sideways on you, you know how vague and unhelpful the error messages can be. Here are my go-to troubleshooting tricks when that happens.

Spreadsheets are still useful, but if you do a lot of work with numbers, you'll realize that they have limitations.

Detroit Lions defense had 10 men on the field for one play and 12 men on the field for another in Thanksgiving loss to ...