Currently when we run an API test from ALM the run results are showing that the test passes, but in the test lab grid the test shows as failed, what could be causing this? It is only occurring with API scripted tests, Gui scripted tests are running fine.

We are trying to install QC 11 client on machines that had QC 10 installed previously. We are doing this with full local admin rights. On some machines we are getting an error (this is just part of the error): Following client components were not downloaded successfully: 1 . ExtensibilityAPI.dll : (...