SimCity 4 Deluxe - install issues. [SOLVED]

Hi y'all!

I'm having difficulties installing the SC4 Deluxe crack.

Installation guide says to mount and install (not register) the game. Done.
Then I see the picture of the bridge and use ALT+F4 to close the window. Done.
Then I'm supposed to copy+paste the .exe from the Crack-file to "game dir>Apps". Doing so I get a fail notice, saying something like: 

"The act can not be finished because the folder or a file in it is open in an other program.

Close the folder or file and try again.
Apps
Created: 2013-06-19 03:52"
(but in swedish)

I hardly need to add that the Apps-folder (or any file in it) has not been opened, not by me anyways.

I tried again after "ejecting the CDs" from the drives. Still didn't work.
I opened the Task Manager to see if the game was still trying to install or something, but no, no such activity.

What's wrong?


EDIT

Okey, so I'm officially an idiot and a n00b now: crack worked fine after I restarted the computer. Don't know why it thought the file was in use, but hey - now I don't care! =D
Thumbs up to g4tw!

Ok, so your problem is solved?

Yes, it's solved! =D

Problem solved, topic locked.