Arduino IDE hangs

Development Tools IDE 1.x
1

Hello, when i click on tools, arduino IDE stucks. I've tried 1.0.1 and 1.0.2 versions. What should I do? I can't turn on serial monitor. I use win 7.

2

Someone has posted a solution to a similar problem here:

http://arduino.cc/forum/index.php/topic,133772.0.html