Chart Troubleshooting

How to Enable Java Virtual Machine

Check Java VM on your browser

The Java plug-in upgrades the Java Virtual Machine (JVM) which ships with your browser, to a version that can support our application. If you have trouble opening our charts you may verify whether Java VM is properly installed on your browser by following the link below

Test Java VM

Where to get Free Java VM

If you do not have Java VM installed on your browser, you may get free Java VM directly from the Oracle's website - see the link below

Free Java Download

How to allow running our Java charts in your browser:


In order to run MV Charts on your computer you have to add in the list of the trusted websites on your computer.

1. Press "Start" - button in the left bottom corner of the monitor. You should be in the desktop mode if you are using Windows 8
2. Open "Control Panel" - make sure you have "View by Small Icons" selected in the top right corner
3. In the "Control Panel" locate "Java" icon and double click on it to open the "Java Control Panel window"
4. Go to the "Security" Tab
5. Press the "Edit Site List" button
6. Press the "Add" button and type in the location field (where the exclamation mark is)
7. Press the "Add" button and then press the "Continue" button and then the "OK" button
8. Close the "Java Control Panel" and "Control Panel windows"
9. Close all browsers and open a new one. Log into the members' area and try to open a chart.

See video instruction below:

How to clean Java cache memory:

You may need to clean Java cache memory.

If you still have trouble running our charts, you may try cleaning Java cache memory. You may need to reboot your computer after that.

1. Press "Start" and go to the "Control Panel"
2. Double click on Java icon and open "Java Control Panel"
3. on the "General" tab you should see the "Temporary Internet Files" section - press the "Settings" button.
4. Then press the "Delete Files" button.
5. Make sure that "Trace and Log Files" and "Cached Applications and Applets" are checked and press the "OK"
6. Close all windows and restart the computer

See video instruction below:

See video instruction below:

How to enable Java applets in your browser:

Java plugin must be enabled in your browser.

In some cases due to security reasons Java VM could be disabled by default in your browser


Internet Explorer
  • Click Tools and then select Internet Options.
  • Follow the Security tab, and press the Custom Level button.
  • Scroll down to Scripting of Java applets and make sure the Enable radio button is checked.
  • Click OK to save your preference.
  • Type about:plugins in the search field or in the address field.
  • Look for Java and check whether Java is enabled.
  • Click on the Enable link (if available).

Windows and Mac OS X

  • Open Firefox browser or restart it if it is already running.
  • At the top of the browser, select the Firefox button, then select Add-ons.
  • In the Add-ons Manager tab, select Plugins.
  • Click Java (TM) Platform plugin to select it and click on the Enable button.
  • Click on Safari and select Preferences.
  • Follow the Security tab.
  • Make sure Enable Java check box is checked.

If you have any further questions, do not hesitate to contact our technical support staff.

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