BleepingComputer.com: Accidentally replaced file

Hey guys, I just accidentally replaced a .exe file in vista, and im not sure how to get it back. I found that the "install location" of the program is at C:\$recycle.bin\s-1-5-21-570175258-29156...
I've taken everrything out of my recycle bin, and it's still not there. How can I get this file back? Thanks

Hi, have you tried a system restore point? http://www.bleepingcomputer.com/tutorials/windows-vista-system-restore-guide/

is there another option? I considered that but It's gonna undo a lot of other stuff. At this point im just gonna have to reinstall it and everything I guess.. its photoshop so itll take a while, so thats why i was wondering if there was a quicker alternative. Thanks a lot anyways tho

If it's a Photoshop exe you can get it by reinstalling Photoshop