You should always ensure that you have adequate available resources before making any changes to the configuration. Consult with your System Administrator if necessary!
You can increase the value of the jvmproperty_11=-XX:MaxPermSize parameter within the windows.service.properties located in your DE installation path. The default value is 512m. Provided you have adequate resources available, you can increase this value to 1024m.
New value: jvmproperty_11=-XX:MaxPermSize=1024m