Error mounting: mount exited with exit code 1: helper failed with:mount: wrong fs type, bad option, bad superblock on /dev/sdb1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so
[10520.033378] sd 2:0:0:0: [sdb] 7744512 512-byte logical blocks: (3.96 GB/3.69 GiB)[10520.034225] sd 2:0:0:0: [sdb] Assuming drive cache: write through[10520.035973] sd 2:0:0:0: [sdb] Assuming drive cache: write through[10520.035990] sdb: sdb1[10520.371488] UDF-fs: No anchor found[10520.371501] UDF-fs: Rescanning with blocksize 2048[10520.468734] UDF-fs: No anchor found[10520.468750] UDF-fs: No partition found (1)[10520.551366] ISOFS: Unable to identify CD-ROM format.[10526.408632] CCMP: replay detected: STA=00:26:18:43:2f:10 previous PN 0000000151aa received PN 0000000151aa