I have searched for any SP's or Hot Fixes but none for 2017 version. I used to have no issue before when performing this task in 20. And the NWF file will just reprocess the ptx file all over again. It is recommended to re-open your model to avoid data loss.' I have tried to create an NWD file format for 2015, 20 with no success from NavisWorks Manage 2017. ' file name.nwd could not be opened because the contents are corrupt or it is currently unavailable. When I go back to try and open the NWD or the NWC files I get the following error message. I create an NWD and NWF and I also show the NWC file in the directory. When I import the file into NavisWorksand the ptx file is now visible in NavisWorks Manage 2017 and I can save it successfully. I have been trying several times now to import the ptx files from a previous scanned project that was exported out in order to create an NWD file.