FF9 Disk - 3 Extraction Problem!!!

I've downloaded FF9 Disk 3 two times. Each Time when I want to extract Disk 3 the following error occurs:! D:\PSX BACKUP\FINAL FANTASY IX (Complete)\Final Fantasy IX Disc 3 of 4 [U] [SLUS-01296].7z: CRC failed in Final Fantasy IX [Disc3of4] [U] [SLUS-01296]\Final Fantasy 9 cd3.iso. The file is corrupt! D:\PSX BACKUP\FINAL FANTASY IX (Complete)\Final Fantasy IX Disc 3 of 4 [U] [SLUS-01296].7z: Error - operation failedI'm using winrar 3.6 registered version. Previous Disks (1 & 2) extracted succesfully and there was no error.Can anyone help! ???

firstly, upgrade your winrar. 3.6 is now very old. If that doesn't help, then redownload the file.

You also might wanna try out 7-Zip. I prefer that over WinRAR.

I had the same problem with disk 2 of the same game... the iso you get from extraction is complete though and should work.