iMessage for Mac freezing

Hi Mermaid A,

Your issue of Messages for Mac being unable to launch sounds very frustrating. If I may suggest following the basic troubleshooting steps outlined in this article -

Mac OS X: How to troubleshoot a software issue

http://support.apple.com/kb/HT1199

In particular this section -

If the issue occurs in one application only

For example, one application does not open or unexpectedly quits. Mac OS X v10.4 and later can help with applications that unexpectedly quit by offering to open the application with default settings. If this doesn't help, skip to "Drag the application to the Trash and reinstall it if the issue persists..." below.

1. Make sure you are using the latest version of the software. Check with the manufacturer if the product is published by a third party.
2. If the issue only occurs while using a specific document, try creating a new document or replacing your document with a backup. Your document may be damaged. If possible, try testing with either a new file or a known-good file.
3. Drag the application to the Trash and reinstall it if the issue persists. Some Apple applications that may have been included with your computer can be reinstalled by using the Install, Restore, or iLife disc that came with the computer. See these links for more information:
   • Mac OS X v10.6 Help: Reinstalling applications that came with your computer
   • Mac OS X v10.5.5 and later: Installing optional and bundled software
   • Custom installs in Mac OS X v10.4

If this does not resolve the issue, use steps from this article -

Mac OS X: Gray screen appears during startup

http://support.apple.com/kb/TS2570

Starting with

Perform a Safe Boot.

Thanks for using Apple Support Communities.

Best,

Brett L