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Clearing The Java Plug-In Cache

​Problems with Java can easily be resolved by clearing your Java Plug-In Cache.

To clear the Java Plug-in cache (WINDOWS): Please see below for Mac Instructions

     1. Click Start > Control Panel.

a screenshot of the start menu and control panel button being pointed to by red arrows

     2. Search for Java in Search Control Panel box on top right of Control Panel window.

a screenshot of the Java button highlighted by a red box and red arrow

     3. Open- the Java icon in the control panel. The Java Control Panel appears.
     4. Click Settings under Temporary Internet Files.

a screenshot of the Java Settings option highlighted by a red box

     5. The Temporary Files Settings dialog box appears.
     6. Click Delete Files.

a screenshot of the Temporary Files Settings area

     7. The Delete Temporary Files dialog box appears.
     8. Make sure all boxes are selected with check marks and then click OK. (you may have 3                    boxes here, check all boxes)
     9. Note: This deletes all the Downloaded Applications and Applets from the cache.

a screenshot of the Delete Temporary Files dialog box with Ok highlighted by a red box

     10. Click OK on Temporary Files Settings and Java Control Panel windows.

a screenshot of the Ok button highlighted by a red arrow

To clear the Java Plug-in cache (MAC):

     1. On the Finder menu bar, click Go > Applications.
     2. Click Utilities.
     3. Double-click Java Preferences.

a screenshot of the utilities menu and the Java Preferences option being highlighted by red arrows

     4. Click the Network tab.
     5. Click the Delete Files... button.

a screenshot of the Delete Files button highlighted by a red arrow

     6. You are prompted to delete your temporary files for Java. Make sure all boxes are selected              with check marks. Then click OK.
     7. Close the Java Preferences and Utilities window. You have cleared your Java cache.

a screenshot of the Delete Files dialog box

If you have any questions or comments regarding the steps outlined in this document, please contact UHD Blackboard Support by calling (713) 221-2786, or by sending an email to bb@uhd.edu.

Last updated 6/1/2020 5:28 AM