IDEA cannot start: FailedtocreateJVM: errorcode-4

This error occurs because the continuous memory space required by IDEA is not met. Solution: 1. Reduce-Xmx and-XX: PermSize

This error occurs because the continuous memory space required by IDEA is not satisfied. solution:

1. reduce the values of-Xmx and-XX: PermSize.

Switch to the IDE_HOME \ bin \ directory and find In the. exe. vmoptions file, try to reduce the-Xmx and-XX: PermSize values. we recommend that you use MB until IDEA can be started.

2. enable the 64-bit mode

Ideaappsidea64.exe, which uses a 64-bit JDK (which must be installed separately ).

3. use . Bat startup

Use .Bat .exe starts IDEA.

4. force the 64-bit JDK

. By default, the bat script uses a 32-bit JDK (under the jre Directory of the IDEA installation file). you can use environment variables to force the 64-bit JDK. The value of the variable depends on the product you are using, IDEA_JDK for IntelliJ IDEA, WEBIDE_JDK for PhpStorm and WebStorm, PYCHARM_JDK for PyCharm, RUBYMINE_SDK for RubyMine. select the appropriate JDK.

5. uninstall uncommon applications

By detaching applications that are not commonly used, you can reduce the split-up of applications into the address space.