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Clear Java cache – Windows

Java problems that surface after you have ensured that you only have one version of Java on your computer and that it is the version compatible with Blackboard Vista can oftentimes be fixed by simply clearing out your Java cache.

Select your version of Windows

Windows XP

  1. Click the start button in the lower left-hand corner of your screen.
    start-button
  2. Click the Control Panel icon. This will open up your Windows Control Panel.
    controlpanel-icon
  3. Double-click the “Java” or “Java Plug-in” icon. If you don’t see this icon, you may need to switch from Category View to Classic View. You can do this by clicking the “Switch to Classic View” link in the left column of the Window Control Panel.
    java-xp-controlpanel
  4. In the “Java Control Panel” window, click the “General” tab and then click the “Settings…” button in the “Temporary Internet Files” section.
    java16-generaltab-xp
  5. In the “Temporary Files Settings” window that appears, click the “Delete Files…” button.
    java16-deletecache-xp
  6. In the “Delete Temporary Files” window, ensure that both check boxes are checked and click the “OK” button.
    java16-deletecache-confirm-xp
  7. Click the “OK” button to close the “Temporary Files Settings” window (Step #5). Click the “OK” button again to close the “Java Control Panel” window (Step #4). Click the red “X” in the upper right-hand corner of your Windows Control Panel to close it (Step #2).

Windows Vista

  1. Click the start button in the lower left-hand corner of your screen.
    Windows Vista Start button
  2. Click the Control Panel icon. This will open up your Windows Control Panel.
    vista-cp-icon
  3. Click “Programs”. If you don’t see your Java icon under Programs, it may also be listed under “Additional Options”. If you are using the “Clasic View” as shown in the left column of the Windows Control Panel, you can skip to Step #4.
    windows-vista-cpanel
  4. Click the “Java” icon.
    java16-icon
  5. In the “Java Control Panel” window, click the “General” tab and then click the “Settings…” button in the “Temporary Internet Files” section.
    java16-generaltab
  6. In the “Temporary Files Settings” window that appears, click the “Delete Files…” button.
    java16-deletecache
  7. In the “Delete Temporary Files” window, ensure that both check boxes are checked and click the “OK” button.
    java16-deletecache-confirm
  8. Click the “OK” button to close the “Temporary Files Settings” window (Step #6). Click the “OK” button again to close the “Java Control Panel” window (Step #5). Click the red “X” in the upper right-hand corner of your Windows Control Panel to close it (Step #2).