You may also try convert your MP4 files to AVI or MKV with a third party software like iDealshare VideoGo

If so, you may convert your MP4 files to AVI or MKV. Here is just a step by step guide on how to convert MP4 to AVI, this guide also convert between MP4, AVI, MKV, WMV, FLV, VOB, SWF, H.265, WebM,...