unable to export .apk from eclipse

Tried to export working android project from eclipse. The screen is froz开发者_开发技巧en at page "Export Android Application". "Next" button is grayed out. Same project runs fine on emulator and HTC as well. Please help.

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Restart Eclipse but if that doesn't fix it, try the following:

Under the Project menu, choose Clean...

Click Clean All Projects then click on OK.

I sometimes find that Eclipse gets messed up. Cleaning all projects in my current workspace usually takes care of it.