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[OccamsRazor]

Whenever I try to launch minecraft I get this error
"Launch4J
The registry refers to a nonexistent java runtime environment installation or the runtime is corrupt. The system cannot find the file specified"

I've uninstalled and reinstalled the latest java and tried both .exes.

Is there anything that I can do?

[MrSiegal]

This is happening for me too. I would really appreciate it if someone were to help us.

[JackSiol]

try this;
in CMD do: java -version
if it can't get a java version do the below.

   1.  Right click Computer
   2. Click properties
   3. Click "Advanced system settings"
   4. Click "Environment Variables"
   5. Under system variables, find the Path variable
   6. Click edit, and append to the end of the value: ";C:\Program Files (x86)\Java\jre6\bin"
   7. Now re-open the command prompt and try again.

[MrSiegal]

I tried all that. Still is not working for me.

[GreyVulpine]

Could you go here:

http://www.java.com/...d/installed.jsp

and verify if you do have java installed? List any errors you get if you do. Update if it tells you to. Tell me what java version you have.

Once you have verified that you have java installed, and up to date, could you please go to your control panel.

There'll be a java icon there, If you go to the java tab, and click on "view", you can see the path(s) that java is installed in. Could you paste those paths here?

[hogofwar]

It says the application is not found when i click on the java icon in the control panel

[MrSiegal]

It downloaded the recommended version, but it then informed me that it is incompatible with 64-bit windows. What should I do?
Minecraft still will not run.

[GreyVulpine]

MrSiegal said:

It downloaded the recommended version, but it then informed me that it is incompatible with 64-bit windows. What should I do?
Minecraft still will not run.

Alright. Could you go to your control panel, and look for "Programs and Features" (Add/remove programs in older versions of Windows), uninstall java from there. Reboot, go to:

http://www.java.com/...load/manual.jsp

And download either link to the windows java installer (one's offline, one's online). Then verify your java install by going to their link.

[MrSiegal]

The installation failed due to a DLL error. Gosh-dangit, this is bizarre.

[MultipleMoney]

Ive had the exact same problem and I cannot find any solution please help

[ABulletForFree]

Bumping for a solution, I am experiencing the same problem.

[marchingfishes]

Exactly same thing is happening to me. It's also making it unable to open and download other programs.

I"ll go to the Java page to download the newest Java and I'll get an error telling me "The registry refers to a nonexistent Java Runtime Environment installation or the runtime is corrupt. The system cannot find the file specified". I do the Java check to see if Java is running and Firefox prompts me to download JRE, which I can't. I go to uninstall Java and I get the same error.

Since I can't open some other files, Shimeji for example, I'm assuming it's the Windows Installer. From the Windows Installer page, none of the versions seem to work on my computer.

Any help would be amazing.

[morsmaestro]

MrSiegal said:

It downloaded the recommended version, but it then informed me that it is incompatible with 64-bit windows. What should I do?
Minecraft still will not run.

Yeah, on that note, but you know what I noticed yesterday? (I'm having a similar problem, mine goes "Could not create the java virtual machine")



Mhm, okay  

[sm284614]

I've just had this problem and spent an hour fixing it, as this thread appears at the top of the Google results I thought I'd add my solution here:

1. Search for and delete the 'javasoft' folder in the registry
2. Delete the 'sun' folder in the windows directory and the 'users/appdata' folders
3. delete any 'java' files from 'windows/system32'
4. reinstall

I hope that helps anyone with this problem.

[ohtar]

anyone else think a creeper nested in java?
i got mass amounts of lag, followed by a game crash and the error message:

Internal exception: java.net.SocketException: Software caused connection abort: recv failed

[MarkProvanP]

I fixed this for myself, after days of tribulations:

Adding the Java thing to the Path variable didn't make a difference to start, and typing in 'java -version' in cmd posted an error. However, that error showed that it was looking in the E:\ drive for the AMD64 Java, which wasn't installed. Additionally, trying to install the AMD64 Java resulted in a silly 'invalid character' error for 'Program Files', so it couldn't install.

I fixed it now though, by regediting Computer/HKEY_LOCAL_MACHINE/SOFTWARE/JavaSoft/ and then each time that the E:\... directory showed up, I replaced it with C:\Program Files (x86)\Java\jre6. Then, the AMD64 Java install worked, wonderfully, and everything else then worked, including 'java -version' and Minecraft.exe.

YAY!

[GretuskaLT]

I had the same problem, searched all over the internet and found one comment in the youtube that you should use Microsoft cleanup utility to delete Java, then install it again. Dunno about you guys but it helped me.

[CuddleBunnyX3]

IF YOU'RE RUNNING ON A 64 BIT MACHINE:

Download and install:
http://download.cnet...4-75317067.html

The issue is Oracle.

In Oracles attempt to make Java more "User friendly" They no longer let you choose the version of Java you want. They choose for you. It was incredibly hard to find the 64 bit version of the jre. In fact I don't think that the Java site has a direct link at all.

Every time I downloaded Java off of the Java site, it would re-install the 32 bit version of Java on my machine. (Even though I'm running on a 64 bit computer. (Might be because I'm using Google Chrome.)

I had to get a version uploaded to CNET.

Simply download this and install it and your minecraft executable should run fine.

Mine did anyways.

[xchuckyx]

I had the same problem AND THIS IS HOW I SOLVED IT.

First i went to the control pannel -> programs and i removed java.
Then i went here :
http://www.oracle.co... ... index.html

and i clicked on "Download JDK", i installed it and everything worked perfectly.

Have fun!

[Wadusher]

I get "Could not create Java Virtual Machine" even after doing that