Lakares

I keep trying to load forge on my minecraft, and every time i log in it says "updating minecraft" with a bar thats almost full and the word "done" underneath, and wont go any further :L ive left it for hours, re installed, tried looking for a solution but couldnt find one, i downloaded the error reader and i got this: Starting Minecraft... Exception in thread "main" java.lang.SecurityException: Invalid signature file d igest for Manifest main attributes at sun.security.util.SignatureFileVerifier.processImpl(Unknown Source) at sun.security.util.SignatureFileVerifier.process(Unknown Source) at java.util.jar.JarVerifier.processEntry(Unknown Source) at java.util.jar.JarVerifier.update(Unknown Source) at java.util.jar.JarFile.initializeVerifier(Unknown Source) at java.util.jar.JarFile.getInputStream(Unknown Source) at sun.misc.URLClassPath$JarLoader$2.getInputStream(Unknown Source) at sun.misc.Resource.cachedInputStream(Unknown Source) at sun.misc.Resource.getByteBuffer(Unknown Source) at java.net.URLClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.access$100(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source) Finished session Right click, Select all, Press Enter (This will copy the output to your clipboard). Then paste the result on http://www.pastebin.com Press any key to continue . . . please tell me if ive done something stupid im not that good at this error stuff...