Need help with a hack

Ever time I try to run some hacks I get mscorwks.dll could not be loaded I tryed to google the mscorwks.dll to download it but can't find it. Can any one send me a download link for it or upload theres plz.

mscorwks.dll free download - DLL-files.com

First link I saw after I googled. Probably works. I dunno.

I seen that one and it's some thing other then what I'm looking for.