This article details some steps to use when you are unable to authenticate at the PGP BootGuard screen.
Your computer boots up in a different way once you use PGP Whole Disk Encryption to protect the boot diskor a secondary fixed diskon your system. On power-up, the first thing you see is the PGP BootGuard log-in screen asking for your passphrase.
After authenticating with your passphrase, PGP WDE then decrypts the disk. If you enabled the Single Sign-On feature (that is, you synchronized your PGP WDE passphrase with your Windows Account logon), you are also logged on to Windows.
Is the passphrase correct? To confirm you are typing the correct passphrase, press Tab to show your keystrokes before you begin typing.
If you are using the Single Sign-On feature and changed your Windows password, you may need to use your old Windows password. This issue can occur if the Windows password is not synchronized with the PGP BootGuard. See the following two articles for more information: