If you still want a compressed version, only download from who have a reputation for clean files (no viruses). These include:
Your crack was overwritten incorrectly. Re-apply the crack or run the “NoDVD Patch” included in the repack.
While a PC version of Iron Man 2 was originally planned, it was . Modern players typically access the game on PC through emulators like Xenia (for Xbox 360) or PPSSPP (for PSP).