Here are listed some tested techniques that will help you to identify why Google Chrome hangs and what you can do to fix this problem.
Repair and Clean Registry Errors: The errors in Chrome are mostly linked to the flash problems. The active-x and file association errors are the major culprits. Repairing these registry errors through an efficient registry repairing program shall be the first step to fix the hanging problem with Chrome. I will surely repair my registry in this case.
Repair Flash: You may also need to repair your Flash player in order to stop Google Chrome from hanging. You can repair Flash in this way:
* Read this official guide to uninstall current flash player version (http://kb2.adobe.com/cps/141/tn_14157.html)
* Reinstall some previous version of Flash player if the latest version is not working at your side.
Run Scans for Malwares: Sometimes due to intrusion of malwares in the system, Google Chrome hangs or crashes. To end freezing and hanging problems with your browser, running scan with an antimalware software is quite helpful.
If your browser is hanging or crashing all the time then updating the sound drivers may also help.