Launcher Version: exe 18.104.22.168
Operating System: Windows 7 Professional
Java Version: Version 6 Update 33
Antivirus Program: Avast!
Description of Problem:
As I was playing the recommended modpack build (6.0.7 | 1.1) I used to get OOM (out of memory) too, but that was not so often. It was ok, it was playable.
But now when I'm playing 6.1.1|1.2.3 the OOM comes much too often. In the options in the launcher I've selected 1GB to be allocated. If I increase it to 1536 MB it does not seem to start at all, that is probably because in the log it says it is actually allocating 247.5 MB.
The error logs link is to the launchers log, starting 1GB, then 1536 MB (a couple of times) and then I reset it to 1GB.