Explorer Blocks Suddently , without motive?

I just installed a game , Counter - Strike 1.6 ...

After a couple of time , my explorer started to block* instantly.

* = Desktop , TaskBar , Everything on the screen looked ok but when i try to click on something , nothing works ... my cursor is ok.

I don't know what is the problem , i hav Nod32 antivirus system , i scanned my computer but nothing found. To be sure i tried to scan with Symantec online scanner. Nothing Found.

I am very confused. I can't possily format my computer because i have important data on it. Could anyone help me?

Explorer Blocks Suddently , without motive?noton

If in case you do need to restore your computer be sure to back all your files to CDs, thry the following and if this dont work you can try a simple system restore;

Download and update the avg antivirus and download the spyware doctor below the shut your computer down and restart it and tap the F-8 key repeatedly while the system starts up and select safe mode and run the avg and the spyware doctor while in safe mode, This will catch it so you can remove it,

This is very good tool and I recommend it to keep your pc in good running condition,

Windows Advanced Care , This tool will keep your computer running good and you can see the startup programs to help you understand what runs in the startup programs; It also includes a registry cleaner and spyware removal,, It also imunizes your computer against the attcks we face each time we go on the internet Just run it once a day and your worrys are much less,