Messages no longer displays a white screen

My messages has stopped working on my MacBook Pro. Yosemite 10.10.4 Messages Version 8.0. When I start Messages, he invites me to connect to my iCloud account. After you connect to the screen that would normally contain conversations is empty. If someone sends me a text it will pop up in my reviews, but I can't the application screen to view or answer. My icon at the bottom of the page is indication I have unread messages with a number inside. Anyone have a suggestion how to solve this problem, except perhaps updated to the next OS, which I try to avoid? Thanks in advance!

May be a corrupt .plist.

Make a backup, preferably 2 backups on 2 separate drives.

Quit the application.

Go to Finder and select your user folder. With this Finder window as the windshield, select Finder/display/display options for presenting or order - J.  When the display options opens, check "show the library folder. This should make your visible user library folder in your user folder.  Select the library. Then go to Preferences/com.apple.iChat.plist.  Move the .plist on your desktop.

Restart your computer, open the application and test. If it works fine, delete the plist for the office.

If the application is the same, return the .plist where you got it, crushing the latest.

If this does not work, repeat the above, but remove the com.apple.imagent.plist

Thank you Leonie and Ralph Johns (UK) , that some information contained in the present.

Tags: Mac OS & System Software

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