Currently Being ModeratedDec 3, 2012 1:59 PM (in response to nickradley)
In the Finder > Go Menu > Go to Folder type in ~/Library/Preferences
In the Preferences find the com.apple.imservice.iMessage.plist and drag it to the Trash.
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
iMac 2.5Ghz 5i 2011 (Mountain Lion 10.8.2)
G4/1GhzDual MDD (Leopard 10.5.8)
MacBookPro 2Gb (Snow Leopard 10.6.8)
Mac OS X (10.6.8),
Couple of iPhones and an iPad
"Limit the Logs to the Bits above Binary Images." No, Seriously