Help! :(

[keden]

Normally in PS and paint [yeh I'm using paint too] Ctrl + Z is undo.
But lately it doesn't work anymore .
How can I fix this?

[Ben]

Errrrm, plant some c4 in your keyboard and detonate it?

In PS you just go window>history and can undo things from there, as for paint atleast use paint.net2

[keden]

I know but CTRL+Z is just so much easier.

[Dale]

CNtrl + alt + z is undo last click...
Cntrl + z is undo major..
Anyways if you have a SUPER bad keyboard or pc it'll only be able to handle a few keys at once...