IntelliJ IDEA Won't Load - Stuck on Splash Screen

Question

I've set up my JDK_HOME, JAVA_HOME, and PATH variables to their appropriate values. I've also installed both a 64 and 32 bit JDK and JRE. When I try to load the Intelij IDEA, it freezes and doesn't show the progress bar (see screenshot). It loads after ~5 hours, but that is obviously taking too long.

Answer 1

The problem was actually my antivirus (avast). After fixing that, it launched in <1min.

Answer 2

Check the log file of IntelliJ its located in:

c:\Users\{your_username_in_windows}\.IntelliJIdea13\system\log\

or for linux

/home/{User_name}/.IntelliJIdea13
~/.IntelliJIdea13 

There you will see the error or the step that is stops at