Still broken?
Still stuck? Ask David.
Send what you were trying to do, the exact error message, and a screenshot if you can.
Most slow computers come down to four things: it has been on too long, one app is hogging resources, the drive is nearly full, or too much launches at login. Work through these in order.
Do not wait
A drive stuck near 100% usage, a fan that never quiets down, or clicking sounds point to a deeper problem. Back up your files and ask David.
Still broken?
Send what you were trying to do, the exact error message, and a screenshot if you can.