Have you performed an MD5sum check on the .iso file, https://help.ubuntu.com/community/HowToMD5SUM
See also https://help.ubuntu.com/community/SquashfsErrors Interesting that there are two rather similar bug messages within a short period, see bug 700208 errors from syslog in this bug report: Jan 20 07:41:33 ubuntu kernel: [ 609.111957] SQUASHFS error: zlib_inflate error, data probably corrupt Jan 20 07:41:33 ubuntu kernel: [ 609.111964] SQUASHFS error: squashfs_read_data failed to read block 0x186e56eb Jan 20 07:41:33 ubuntu kernel: [ 609.111967] SQUASHFS error: Unable to read data cache entry [186e56eb] Jan 20 07:41:33 ubuntu kernel: [ 609.111970] SQUASHFS error: Unable to read page, block 186e56eb, size bd23 errors from syslog in bug 700208 Jan 8 02:23:15 mint kernel: [ 421.541900] SQUASHFS error: zlib_inflate error, data probably corrupt Jan 8 02:23:15 mint kernel: [ 421.541910] SQUASHFS error: squashfs_read_data failed to read block 0x1757695 Jan 8 02:23:15 mint kernel: [ 421.541918] SQUASHFS error: Unable to read data cache entry [1757695] Jan 8 02:23:15 mint kernel: [ 421.541924] SQUASHFS error: Unable to read page, block 1757695, size e121 ... Jan 8 02:23:27 mint kernel: [ 433.898376] SQUASHFS error: zlib_inflate error, data probably corrupt Jan 8 02:23:27 mint kernel: [ 433.898386] SQUASHFS error: squashfs_read_data failed to read block 0x2e47b7a Jan 8 02:23:27 mint kernel: [ 433.898393] SQUASHFS error: Unable to read data cache entry [2e47b7a] Jan 8 02:23:27 mint kernel: [ 433.898399] SQUASHFS error: Unable to read page, block 2e47b7a, size 10b43 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/705296 Title: Gives [Error 5] and exits/hangs installation. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs