CB11 ??? Check your version and post back. You might check the installed files and see if you can tell who actually wrote the files as well. Are you referring to what once was Arcada with an upgrade to version 1.1 ? This may have later been Seagate. Cheyenne became Colorado, then HP. Some HP backups contains Seagate files post CBW and CBWforW95, which was a version of MSBackup95. MSBackup98 was Seagate.
Colorado may have actually died with the advent of CBII which is a Seagate product distributed by HP-Colorado.
Veritas apparently acquired HP-CMS and with it maybe Arcada which is available at Veritas and maybe still HP.
Then all of it and maybe some other Veritas product was dumped to Stomp and available via BUMP (back up my PC). Then acquired by Sonic. Sonic also acquired Roxio, previously Adaptec.
Is it any wonder there is difficulty?