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Kara, The fact that the error is intermittent, even though failing in the same general area, would seem to indicate a problem with your platform rather than with your netCDF installation, since all the netCDF tests you are running are deterministic and should behave the same way on subsequent runs. Things that could cause intermittent errors include running the tests in a shared directory at the same time someone else is running the same tests, running the tests on a shared file system that is close to being out of space at the same time others are creating and deleting files on that file system, running the tests on a remotely mounted file system from a server that is misbehaving or misconfigured or over a network connection that is flaky, etc. The error "Permission denied" is Cygwin's translation of a Windows "Aceess denied" error, and might be triggered by other conditions than the Unix error, for example trying to delete a file you don't have permission to delete, which is not a capability that can be directly mapped into Unix permissions, though permission to write the parent directory is the way Cygwin maps this, as far as I know. Sorry we can't provide a more definitive diagnosis, but I think the problem lies elsewhere ... --Russ Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: LJI-411152 Department: Support netCDF Priority: Normal Status: Closed