I think you have some other things going on with either how your computer is set up or with your A/V, Security programs.
Give us some details of your computer, it may help in identiflying what the problem is.
I'm running Win 7 Home Premium 64 bit and Object Desktop 2010 and have not seen any problems like you are having.
Hmm.... Well let's see...
Windows 7 32 bit Home Premium, Pentium 4, 4 GB RAM, Object Desktop 2010. I'm using Avast as my virus scanner. Anything else?