Window icons missing

Hi
I just started to use Linux and installed Ubuntu Feisty Fawn 7.04 on my computer. I've updated my Nvidia graphic card through Automatix. But whenever i enable the Desktop effects the icons and title bar on the windows disappear. Which makes me unable to move the window, and i cant close, minimize or maximize the windows either.
Please help me out.

 

Do you mean Beryl or Compiz?
Any errors in your logs?

 

I just installed Beryl, but it didn't solve the problem.
How do i check for errors in the logs?

 

Check all log files in the /var/log/ directory.

 

How do i search for the errors?
And which files should i check?

 

Just open the log files and check if there are errors in there.

All files in the /var/log directory.

 

I've checked all the logs, but i only found 1 error. And that error was only because of wrong settings for the network.