Originally Posted by TanookiTail
I have the current version
Then this could be an indication of either your SD card failing or files becoming corrupt (usually as a result of a failing SD card). I would recommend downloading a clean CTGP-R and finding either a new SD card or USB HDD to load it off of. If you are limited on budget, run a chkdsk (scan disk) on your SD card and reformat it, then perform a clean install of CTGP-R.