A hotfix for Navisworks 2014 has been released from Autodesk to resolve an issue with Manage and Simulate that may force Navisworks to close unexpectedly when refreshing a NWF file.
The hotfix can be downloaded here: FYI, be sure that you have Navisworks 2014 Service Pack 1 installed.
The hotfix can be downloaded here: FYI, be sure that you have Navisworks 2014 Service Pack 1 installed.