internal error. Please report to http://jb.gg/ide/critical-startup-errors
java.langassertionError.internal error. Classl.oader implementation has been altered
at com.intellij.utillang.UrlClassLoader.ClassLoader implementation has been altered
at com.intellij.utillang.UrlClassLoader.<init>(UrlClassLoader.java:182)
at com.intellij.utillang.UrlClassLoader$Bullder.get(UrlClassLoader.java:154)
at com.intellij.ide.BootstrapClassLoaderUtiLinit.get(BootstrapClassLoaderUtiLinit.java:69)