Empty window is displayed or nothing happens

This problem affects the Microsoft Internet Explorer and Mozilla Firefox browsers.

Problem

When you try to start a launched task, an empty window is displayed or nothing happens in your Web browser.

Resolution

Complete one or more of the following actions:

For all browsers

Java™ Web Start (JWS) software is required to launch tasks that start outside of the IBM® Flex System Manager Web interface. If the error message includes a link to a Web site, click the link to download JWS..
Make sure that the system on which IBM Flex System Manager is installed is not blocked by a pop-up blocker on your browser system. For example, check for a pop-up blocker displayed under the Address bar, and make sure it is turned off.

For Internet Explorer

Click Tools > Internet Options > Advanced. Make sure that Do not save encrypted pages to disk is not selected.
(Internet Explorer 7 or later only) Complete the following steps:
1. Click Tools > Internet Options > Security.
2. Click Custom level.
3. In the Security Settings - Internet Zone window, make sure that Downloads > Automatic prompting for file downloads > Enable is selected.
The .jnlp extension might not be mapped to the Java Web Start executable file.
The .jnlp extension is mapped to the Java Web Start executable file, but the Launch action is not defined.
To define the Launch action, complete the following steps:
1. In Windows Explorer, click Tools > Folder Options.
2. Click the File Types tab, select JNLP in the Registered file types list, and click Advanced.
3. In the Edit File Type window, clear the Confirm open after download check box and click New.
4. In the New Action window, specify the following information and click OK:
  - In the Action field, type &Launch.
  - In the Application used to perform action field, click Browse, select and specify the javaws.exe under a JRE that is installed on your browser system using the following format:
```
"XXXXXXXX" "%1"
```
  - Select Use DDE. The window expands.
    - In the Application field, type javaws.
    - In the Topic field, type System.
5. In the Edit File Type window, click OK.
6. In the Folder Options window, click OK.
7. Close Windows Explorer.
8. Retry to the affected launched task.

For Mozilla Firefox

Try the task again. The Opening launch.jnlp message might be displayed. The message asks you what you want to do with the .jnlp file. To make sure that the launched task can proceed and that this message will not be displayed in the future, it is recommended that you select Open with Java Web Start Executable and Do this automatically for files like this from now on.