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    Error: Cannot find the main class. Program will exit

    Operating System and bit type: windows 7: 32 bit Java version/update and bit type: newest java Launcher version: windows 7 Console log, pastebin.com link: Description of the Issue: i try to launch ftb and this error comes up: java.lang.UnsupportedClassVersionError...
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    I need help with this error that keeps poping up every time i try to launch a mod :(

    im trying to launch unleashed... idk what needs to be shown for more help
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    I need help with this error that keeps poping up every time i try to launch a mod :(

    i updated that so it supported java and 1.6.4 and it still doesnt work
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    I need help with this error that keeps poping up every time i try to launch a mod :(

    they are 1.6.4 i redownloaded ftb and java and it does it still :(
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    I need help with this error that keeps poping up every time i try to launch a mod :(

    java.lang.UnsupportedClassVersionError: net/ftb/mclauncher/MinecraftLauncher (Unsupported major.minor version 50.0) this is the error that shows up. ive updated java and it still wont work :( can someone please help me resolve this issue... many of my friends are having the same issue
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