RDCMan 3.20 Display issue when connect to older Server 2008R2

[ssyuen999]

After force update by Microsoft store. the RDCMan display was having issue when connect to Windows Server 2008R2. The mouse pointer will display upside down and the screen will black out screen when switching between Server connection.

[foxmsft]

Launch it with -mstsc in the command line, that should work for a while.