Spaces and expose not working.

Hi to all.

I am new to Mac and bought my first Mac (the 2011 MBP 17”) 2 weeks ago. Running 10.6 Snow Leopard.

I installed Parallels 6 and Windows 7 Ultimate 64b. All was working fine.
For the past week I can run Parallels only in Coherence mode, any other mode I cannot see the window. If I press F3 I used to see my Mac open apps and now this does not function. If I click on spaces I can only open space nº1. The others do not open even though I have set to four spaces.
In Expose the screen saver is set to top left corner and still working but if I assign any other function it does not work.

Any ideas as to the problem would be much appreciated.

Thanks,
Troy…

 

Thanks,
I tried to update and it tells me I have latest version and nothing showing up as to my problem....
I don't think the Problem is with Parallels DT as the problem is the same after booting up and Parallels has not been run.

I used Cleanmymac to clean up. Could it be a program which expose and spaces is dependant on. I removed Macfuse...

 

Thanks Urusai89. I did the repair permissions and indeed there were many issues which it seemed to resolve. I rebooted and unfortunately the problem is still the same....

If I do not find a solution I will do a clean install, but would be nice to know what is the problem so I do not repeat it.

Thanks again.