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I try to install matla 7.0 (R14) on a laptop HP Compaq nx5000 under XP SP2 OS, but the installation failed down and an error message is diplayed " matlab installer can not start JVM, unkown error".

답변:

Sounds like your JAVA is incompatible or not installed - see this article for help installing it from CD

http://www.mathworks.com/support/solutions/data/1-1A33P.html?product=ML&solution=1-1A33P

If that doesnt do it you may want to try the alternate install:

http://www.mathworks.com/support/solutions/data/1-184BG.html?solution=1-184BG&BB=1

JVM is for java software,.....check for java update

출처 : http://www.fixya.com/support/t282064-problem_matlab_installation

Why does the MATLAB R12 and R13 installer repeatedly ask me to install Microsoft Java Virtual Machine?

Date Last Modified: Monday, March 8, 2010

Solution ID:		1-184BG
Product:		MATLAB
Reported in Release:		R12
Platform:		Windows
Operating System:		Windows Any

Subject:

Why does the MATLAB R12 and R13 installer repeatedly ask me to install Microsoft Java Virtual Machine?

Problem Description:

I place the product CD in the drive and the installer tells me that I need to install a new version of Java Virtual Machine. I install JVM and reboot my computer and the installer asks me to install JVM again:

MATLAB installer needs a newer version of Microsoft Java Virtual Machine.

Solution:

For MATLAB Release 12, sometimes the MATLAB installer incorrectly detects what version of the Java Virtual Machine you have installed on your computer. When you place the CD in the drive it automatically runs a file called setup.exe that will call the JVM installer if it detects an older version of JVM.

To get around this detection problem, place the CD in the drive and select 'No' when it prompts you to install JVM. Explore the CD and run the file jins.exe. This is the MATLAB installer. You should be able to complete the installation process normally.

If you are downloading MATLAB and need the JVM file to install, you can download it from our web site at the bottom of this solution.

If MATLAB still prompts you to install the JVM, you can resolve this by removing the msjava.dll file from the C:<Win_dir>system32 folder (where <Win_dir> is the Windows directory). For example:

C:Windowssystem32
C:WINNTsystem32

Once removed, reboot and try running the jins.exe or msjavx86.exe once again.

For all other releases, if you experience this problem please contact the Installation Support team by going to this website and creating a service request:

http://www.mathworks.com/support/contact_us/index.html

Solution ID:		1-1A33P
Product:		MATLAB
Reported in Release:		R13
Platform:		Windows
Operating System:		Windows Any

Subject:

Why do I receive an error when installing MATLAB 6.5 (R13)?

Problem Description:

I get the error

Unable to Start the Application - the class files could not be loadedwhen installing MATLAB 6.x (R12.x / R13).

This error message appears just after the MATLAB 6.x (R12.x / R13) cd has been inserted in the CD-ROM drive.

Solution:

This error message occurs when the Installer cannot find the Microsoft Java Virtual Machine (JVM) or the existing JVM has been corrupted. The Microsoft JVM is available on the Release 12.x / 13 CD in the MSutils directory. The name of the executable is MSJAVX86.EXE.

If you receive the same error after running the MSJAVX86.EXE, you will need to download and install a modified JVM installer. You can obtain this installer on the bottom of this page.

Once you have installed the Microsoft JVM, you can proceed with MATLAB 6.x (R12.x / R13) installation.

If you have installed the Microsoft JVM and still get this error, try the following solutions in this order:

1. Make sure that your C: drive has space available. You can do this as follows:

a. Double-click on My Computer.
b. Right-click on the C: drive and choose 'Properties'

If your C: drive is nearly full, free some space on the drive and rerun setup.exe

2. Make sure that the MATLAB CD has not been damaged. Check for any scratches and chips on the back of the CD. Also, if possible, try installing MATLAB 6.x (R12.x / R13) onto another machine. If you suspect that the CD is damaged and/or you were unable to install MATLAB 6.x (R12.x / R13) on a different machine, see the following URL for more information on obtaining a replacement CD:

http://www.mathworks.com/support/solutions/en/data/1-16YNN/index.html

3. Confirm that you have used the correct PLP during installation. Do not remove the dashes when entering the PLP during the installation process.

Problem with matlab installation

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