Virtual machine manager error in console add-ins

Hi,
I got this Error after patching SCVMM 2012 SP1. I don’t know why and I was expecting that the patch will improve the performances of the program. What should I do experts ? Please help me to fix this error.
Thank you experts !

Administrator – scvmmm01.ms.ap – Virtual Manager
Virtual Machine Manage
Console Add-ins Warnings and Error
The following warnings and errors were encountered while loading console add-ins.
Could not update managed code add-in pipeline due to the following error:
Access to the path ‘C:Program FilesMicrosoft System Center 2012Virtual Machine ManagerBinAddinPipelinePipelineSegments.store’ is denied.
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