www.makemkv.com

i keep getting this error? Hash check failed for file 00800.m2ts at offset 21781211136, file is corrupt.
Hash check failed for file 00800.m2ts at offset 21781407744, file is corrupt.
Hash check failed for file 00800.m2ts at offset 21781604352, file is corrupt.
Hash check failed for file 00800.m2ts at offset 21781800960, file is corrupt.
Hash check failed for file 00800.m2ts at offset 21781997568, file is corrupt.
Too many hash check errors in file 00800.m2ts. is this a bad disc ?

At a minimum, the optical drive is having difficulty correctly reading a spot on the disc. The standard advice is to gently clean the disc and try again.