Some PCs on the Windows 7 service are currently experiencing failures when trying to install Adobe Acrobat and Adobe Flash updates. These updates have been taken out of the live service at present but it may take a while for your PCs to pick up policy and remove the failure notification.
We are currently working on this and will update you as soon as the issue is resolved.
This issue is only effecting PCs with the SCCM 2007 client.
If you have any further issues, then please log a service now case.