Getting Error In installation time

om.experitest.image.agent.InternalException
at com.experitest.utils.LocalInterProcessLock.tryToReentrivelyExecute(LocalInterProcessLock.java:128)
at imagestudio.ImageStudioApp.main(ImageStudioApp.java:133)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(LauncherEngine.java:85)
at com.exe4j.runtime.WinLauncher.main(WinLauncher.java:94)
at com.install4j.runtime.launcher.WinLauncher.main(WinLauncher.java:25)
Caused by: java.lang.NullPointerException
at com.experitest.licenseutil.CommunitySessionManager$AppPackage.(CommunitySessionManager.java:300)
at com.experitest.licenseutil.CommunitySessionManager.loadAppList(CommunitySessionManager.java:162)
at com.experitest.licenseutil.CommunitySessionManager.(CommunitySessionManager.java:74)
at com.experitest.licenseutil.CommunitySessionManager.getInstance(CommunitySessionManager.java:64)
at com.experitest.licenseutil.CommunityLicenseMgr.init(CommunityLicenseMgr.java:62)
at com.experitest.licenseutil.CommunityLM.initLicense(CommunityLM.java:32)
at com.experitest.Headless.performStaticInitialize(Headless.java:505)
at imagestudio.ImageStudioApp$1.call(ImageStudioApp.java:177)
at imagestudio.ImageStudioApp$1.call(ImageStudioApp.java:133)
at com.experitest.utils.LocalInterProcessLock.tryToReentrivelyExecute(LocalInterProcessLock.java:97)
… 8 more

Please Suggest !!!

Please disable antivirus software in your PC