Connect the hard disk back to system and run the fixmbr command from the Windows Recovery Console from a Windows XP installation CD.
The following commands will help diagnose and decrypt the disk.
Or have you changed your PC boot device order before this PC problem?
You'll be shown the first few screens of the installer, with a note in the corner of the display to indicate that this is rescue mode, not a full installation.
Don't worry, your system is not about to be overwritten!
Other commands can be listed by typing pgpwde --help. To begin working with the PGPWDE command line tool, open a command prompt and change to the PGP installation directory (default directory shown) C:\Program Files (x86)\PGP Corporation\PGP desktop. To view progress, type the status command listed in step 3 and note the Highwater number.
(For 32bit install: C:\Program Files\PGP Corporation\PGP desktop. To list all installed hard disks in the system type: pgpwde --enum. In the command, substitute the PGP WDE disk number listed in the previous step for the number 1 if it is different. This provides the user information contained on the disk. This number will get smaller and smaller as the number of sectors encrypted decreases. In case if your primary partition was formatted and your secondary partition is still encrypted, you may try to recover it by following TECH170574.