I used to be able to play perfectly about a year ago, but now when I tried to play again, this happens with every modpack; I press play, on a newly installed modpack. The bar below starts loading, but when it goes to "Installing Minecraft assets" it stops loading, and nothing happens, except the bar disappearing, and the PLAY button appearing again. I've been searching to similar problems for quite a while, but I haven't found anything that works :/. I have the log, but if needed, I could also record a short video of what happens when I try to open a modpack.
[B#353] 2017/12/20 16:36:17 [INFO] Exception in thread "main" java.lang.ClassCastException: java.base/jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to java.base/java.net.URLClassLoader
[B#353] 2017/12/20 16:36:17 [INFO] at net.minecraft.launchwrapper.Launch.<init>(Launch.java:34)
[B#353] 2017/12/20 16:36:17 [INFO] at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Question
AndDatKat
I used to be able to play perfectly about a year ago, but now when I tried to play again, this happens with every modpack; I press play, on a newly installed modpack. The bar below starts loading, but when it goes to "Installing Minecraft assets" it stops loading, and nothing happens, except the bar disappearing, and the PLAY button appearing again. I've been searching to similar problems for quite a while, but I haven't found anything that works :/. I have the log, but if needed, I could also record a short video of what happens when I try to open a modpack.
LOG:
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