If you rename the file, MW will complain about it and will not launch (this is a. I tried running the installer with a Guest account, nothing changed. The entire Java installation process is Web-based and automatic. I tried with 'sfc /scannow' and it said there was no problem, I tried 'DISM.exe /Online /Cleanup-image /Restorehealth' too, no problem got reported. I'm actually in safe mode with internet connection and the installer still don't want to run. I tried downloading again the installer 3 times, nothing changed. I tried opening the installer 'sandboxed' with the program 'Sandboxie', the Installer opened 2 services, after a few seconds another service opened and then every service closed. I have Windows 8.1 and I installed Java 8 JDK some days ago, now I unistalled it because I've had some problems with it (like the PATH for cmd was not set), and after unistalling it I tried to open the Java installer, after the UAC popup nothing happen.

I tried the other solutions but they didn't worked, so please don't just say 'It's a duplicated so now you have to open this link.' Because I tried them.

Java installer won t run