Sophos Full Disk encryption

hi,

i just change the my SOphos endpoint license from Advance to with disk encryption. after downloaded the binaries i am seeing an error from my console on the encryption policy tab:

Sophos.UIController.Extension.UIControllerException:  Access to the encryption database failed!
   at Sophos.Encryption.UI.EncryptionPolicyHandler.Edit(IntPtr parent, String name, String contentTag, IPolicyCallback policyCallback)
   at Sophos.UIController.Product.Policy.<>c__DisplayClass7.<EditPolicy>b__6()
   at Sophos.UIController.Product.Logging.LogMethod(MemberInfo method, Action func)
   at Sophos.UIController.Product.Policy.EditPolicy(IntPtr parent, String name, String contentTag, IPolicyCallback policyCallback)

----- [outer exception] -----
   -- error: 0x80040503
   -- facility: Custom (Defined by the interface)

   at void __thiscall PolicyDialogViewer::ShowPolicy(struct ISMT_Policy *,class ATL::CWindow,const class bl::UIPermissions &,unsigned long,const class ProductReleaseData &,const class TranslationService &)
   at __w64 long __thiscall CPolicyTreeCtrl::OnEditPolicy(unsigned int,__w64 unsigned int,__w64 long,int &)

any help is appreciated.

thanks