It was a time to defragment my HDD, so I did and now I'm getting this lovely message upon starting Maya:

The shelf "Polygons" has items that cannot be read.
The shelf will only display the items before the first unreadable item it finds.
If you start Maya and save this shelf then you will lose the unreadable items.
This will happen automatically if you have your preferences set to save the shelves on exit.

Continue - Quit Maya

btw. Polygon shelf displays no items at all. My patience's runny thin... I'm gonna google for solution now, and I hope some of you guys know how to fix it... otherwise, in few hours, I will have to re-install Maya 3rd time in 3 months..

EDIT: Ok, it wasn't that hard, removing the 'shelves' folder in 'documents/maya/2012 -x64/pref' seemed to have fixed it.. Thank God, don't feel like taking my computer to a mosh pit any more...