When Security update KB956391 is install CRM user receive the error " Unable
to load client print protocol". I can remove the update but it is reinstalled
later as part of the automatic update. Is there anyway to block just this
update? I prefer to leave auto update on.

Bypass Authentication
Serializing credentials and reauthenticating. How?
PrincipalPermission, getting started
How to interface to Certificate Authority from C#
How to track down source of crash + Event log error?
CAPICOM keylength for 3-DES
Embedding Software Registration Info in Win Registry
How to get Windows user name of a 3rd party application in dotnet?
1 update fails to install.
Security Assessment Tool