com4j.ComException: 800a03ec (Unknown error) : The file could not be accessed. Try one of the following:
ò Make sure the specified folder exists.
ò Make sure the folder that contains the file is not read-only.
ò Make sure the file name does not contain any of the following characters: < > ? [ ] : | or *
ò Make sure the file/path name doesn't contain more than 218 characters. : .\invoke.cpp:460