Created attachment 112534 [details]
Windows with Unexpected Exception.

Information about NetBeans 6.9.1:
Product Version: NetBeans IDE 6.9.1 (Build 201007282301)
Java: 1.7.0; Java HotSpot(TM) Client VM 21.0-b17
System: Linux version 3.0.0-12-generic running on i386; UTF-8; en_US (nb)
Userdir: /home/debuggercz/.netbeans/6.9
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Information about NetBeans7.1 build:
Product Version: NetBeans IDE Dev (Build 201110270600)
Java: 1.7.0; Java HotSpot(TM) Client VM 21.0-b17
System: Linux version 3.0.0-12-generic running on i386; UTF-8; en_US (nb)
User directory: /home/debuggercz/.netbeans/dev
Cache directory: /home/debuggercz/.netbeans/dev/var/cache

Steps:
1. Install/run NB 6.9.1.
2. Invoke Tools | Plugins.
3. Select Installed tab and check Java SE.
4. Push Activate.
5. During the wizard choose Activate and Finish.
6. Invoke Tools | Options.
7. Select Fonts & Colors.
8. Do some changes (for instance - change Foreground to Cyan in the Default category and Foreground to Blue in the Comment category).
9. Push OK.
10. Invoke Tools | Plugins.
11. Push Export.
12. Check All and push Browse...
13. Write some name of the output file and click OK.
14. Click Yes in the window Stored Passwords Warning.
15. Close the IDE.

16. Install/run NB 7.1 (current build).
17. If window Confirm Import Settings appears push Yes. If not go to 18.2 point.
18.1. Invoke Tools | Plugins.
19.1. Select Installed tab and check Java SE.
20.1. Push Activate.
21.1. During the wizard choose Activate and Finish.
NetBeans freeze on the moment and Unexpected Exception appears. It contains:
A org.openide.util.RequestProcessor$SlowItem exception has occurred.
Please report this at http://www.netbeans.org/community/issues.html,
including a copy of your messages.log file as an attachment.
The messages.log file is located in your

If window Confirm Import Settings doesn't appear, follow these steps:
18.2. Invoke Tools | Plugins.
19.2. Push Import.
20.2. Select your previously exported settings from NetBeans 6.9.1.
21.2. Check All and than click OK.
22.2. Push Yes in the window Import Confirmation.
23.2. Invoke Tools | Plugins.
24.2. Select Installed tab and check Java SE.
25.2. Push Activate.
26.2. During the wizard choose Activate and Finish.
NetBeans freeze on the moment and Unexpected Exception appears. It contains:
A org.openide.util.RequestProcessor$SlowItem exception has occurred.
Please report this at http://www.netbeans.org/community/issues.html,
including a copy of your messages.log file as an attachment.
The messages.log file is located in your