After patchning HP PCM + 4 I got the following message: “Core Components of the PCM Client have been updated by the server. You will need to relaunch the PCM Client for these changes to take effect.”
Solved this by login on the server with the local administrator account and launched the PCM client. Got the message again and relaunched the client. After that all users could start the PCM client.
The PCM version after the patch is 04.00.02.457. Unfortunately I didn’t take notice of the patch name ect.
Server OS was Windows 2008 R2.