The program I used to compile this list thinks all filespecs are all-cap, but some of the older files are CamelBack. If Comcast says there is no such file, try fiddling with the capitalization.
But if the file that isn't found is for the current or a future date, it really isn't there.
ED.DIR 5224 9-28-12 11:20a
MAYBAN.TXT 2923 5-17-07 11:39p
JUNEBANN.TXT 21395 7-08-06 12:37a
JULYBANN.TXT 14747 7-31-06 8:13a
AUGBAN.TXT 15746 9-01-06 10:59a
SEPTBANN.TXT 15903 10-01-06 11:54p
OCTBAN.TXT 9128 10-31-06 11:51p
OCTOBE~1.TXT 11549 10-29-07 12:23p
NOVBAN.TXT 17409 11-30-06 11:59p
DECBAN.TXT 17219 12-27-07 12:23a
2007
JANBAN.TXT 17541 2-03-07 3:04p
FEBBAN07.TXT 14260 3-02-07 1:38a
MARCHB07.TXT 18167 12-12-07 1:03p
APRB07.TXT 15636 12-12-07 1:20p
MAYBAN07.TXT 14372 5-31-07 6:06p
JUNEB07.TXT 24665 7-31-07 11:21p
JULYB07.TXT 23022 7-30-07 11:10a
AUGBAN07.TXT 27871 9-04-07 9:35a
AUGUST~1.TXT 17302 8-20-07 10:03p
SEPTEM07.TXT 16095 9-30-07 11:21p
OCTBAN07.TXT 19184 11-08-07 1:03p
NOVBAN07.TXT 5371 11-30-07 11:16p
DECBAN07.TXT 16864 12-31-07 11:57p
2008
2008AP~1.TXT 20750 5-14-08 1:28p
2008JA~1.TXT 2118 1-08-08 5:53p
2008JU~1.TXT 20672 7-07-08 12:39p
2008%2~1.TXT 2120 1-08-08 5:53p
2008%2~2.TXT 2219 1-08-08 6:08p
JUNEB0~1.HTM 20820 7-06-08 11:47p
JANBAN08.TXT 14733 2-01-08 11:16p
FEBBAN08.TXT 11414 3-04-08 11:16a
MARCHB08.TXT 14762 3-31-08 10:51p
APRIL08.TXT 20872 5-14-08 1:52p
MAYBAN08.TXT 5010 5-31-08 12:56a
JUNEB08.TXT 20517 7-07-08 1:07p
JULYB08.TXT 14622 8-01-08 9:45a
AUGBAN08.TXT 13025 9-01-08 12:27a
SEPTEM08.TXT 13510 10-13-08 6:46p
OCTBAN08.TXT 13543 11-01-08 9:21p
NOVBAN08.TXT 15767 12-05-08 11:06a
DECBAN08.TXT 11799 1-01-09 12:16a
2009
JANBAN09.TXT 16324 2-02-09 7:42p
FEBBAN09.TXT 21931 3-01-09 1:49a
MARBAN09.TXT 36174 6-16-09 10:24a
APRBAN09.TXT 21692 5-04-09 1:50p
MAYBAN09.TXT 22129 12-03-09 2:24p
JUNBAN09.TXT 36970 12-07-09 7:51p
JULYB09.TXT 24038 12-07-09 8:17p
AUGBAN09.TXT 39527 12-07-09 9:01p
SEPBAN09.TXT 16697 10-02-09 12:33p
OCTBAN09.TXT 34766 12-14-09 9:33a
NOVBAN09.TXT 35432 12-14-09 12:12p
DECBAN09.TXT 17719 1-01-10 9:34p
2010
JANBAN10.TXT 27831 2-01-10 11:54a
FEBBAN10.TXT 14513 3-03-10 4:52p
MARBAN10.TXT 38750 4-01-10 12:28p
APRBAN10.TXT 17889 12-30-10 3:26p
MAYBAN10.TXT 25102 6-02-10 12:00p
JUNBAN10.TXT 23026 7-05-10 10:12a
JLYBAN10.TXT 28262 8-01-10 12:28a
AUGBAN10.TXT 20573 9-01-10 11:53a
SEPBAN10.TXT 38884 12-31-10 9:47p
OCTBAN10.TXT 35047 10-31-10 7:13p
NOVBAN10.TXT 31660 12-31-10 11:34p
DECBAN10.TXT 31553 12-31-10 1:09p
2011
JANBAN11.TXT 40672 2-12-11 1:44p
FEBBAN11.TXT 25320 3-01-11 4:41p
MARBAN11.TXT 28799 4-01-11 2:02p
APRBAN11.TXT 31967 4-30-11 8:37p
MAYBAN11.TXT 38390 6-01-11 11:09a
JUNBAN11.TXT 44901 7-01-11 12:16p
JULBAN11.HTM 40536 8-02-11 1:07a
JULBAN11.TXT 40508 8-02-11 12:31a
AUGBAN11.TXT 27292 9-01-11 11:29p
SEPBAN11.TXT 23383 10-02-11 9:47p
OCTBAN11.TXT 25699 11-01-11 1:46p
NOVBAN11.TXT 27965 12-02-11 9:44a
DECBAN11.TXT 43278 1-01-12 8:45p