Also just experienced the same problem with a project. Exact same project on another PC has no problems. When I tried to build on my laptop, a broken VI was found and that killed the build.
The broken VI was the Excel Set Cell Color and Border.vi. Relinking the Invoke node solved the problem. Kudos to you Ching-Hwa_Yu, Google found your post here.
I haven't seen a definitive reason for why this happens. The original PC was also running LV 2011 but it did not have any version of Excel installed. My laptop has the same version of LabVIEW, but it also has Excel 2010 installed.
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Patrick Allen