Hello
The start in directory which is also the current working directory of Hyperworks should have read and write permission as it is the directory where certain settings files are written by default. You can check the start in directory to make sure files like command.tcl are being written.
Documentation :
https://help.altair.com/hwdesktop/hwx/topics/getting_started/start_in_directory_r.htm?zoom_highlight=start+in+directory
