On some PGP encrypted PCs different users log in. There may be cases when different users have same passwords. If those users log on to the PC then there will be issue with PGP to determine which user profile to load.
Solution: Detailed BootGuard Screen where the users can enter their user ID & Password separately.
Go to consumer policy>PGP Desktop>Disk Encryption. Under WDE BootGuard Customization check Display detailed authentication fields & SAVE.