Searching for “IGI ISO file for PPSSPP” leads to many suspicious websites offering downloads. These files often:
There are no successful public builds of IGI for PSP. Any file claiming to be "IGI ISO for PPSSPP" is likely one of the following: Igi Iso File For Ppsspp
Always verify file hashes (MD5/SHA1) against known good dumps if you are dumping your own discs. Searching for “IGI ISO file for PPSSPP” leads