Found 2 new command line apps to extract & recompress the CAB files without using powerarchiver, testing them & will inform if it works & does not corrupt the files, keeping the MD5 in tact.. the problem is that the CAB files are multi-volume (Data1.cab & Data11.cab) Data1 extends to Data11, and not many apps can extract multi-volume cab files, powerarchiver could extract multi-volume, but I think that is what corrupted them, I found another command line app that i think might work. Lets see what happens