If you have already burned your working backups, then you can delete the images from the HDD, just make sure your backups work first. :iagree:
After you solve your current issue, you should try to find a bosskey program, some of the old school PC games had them in the control config. A boss key is a hotkey that can automatically and almost instantly hide a window on your computer.
Heres a free one:
Heres a shareware one:
*note: I have not tested or verified either of the above programs.
I'm sure there are many more...I would use one if playing games at work, because alt+tab doesn't work on some games.