To resolve the issue, please try clean re-installation of DraftSight following the below steps.:

a. Login as administrator and uninstall DraftSight (Go to Windows Control Panel > Programs > Programs and Features . Right Click on DraftSight and select Uninstall )

b. Navigate to folder DraftSight: C:\\Users\\[username]\\AppData\\Roaming\\DraftSight 

Rename folder DraftSight to “DraftSight_backup”(If you cannot find 'appdata' folder as it is hidden sometimes, search %Appdata% on the location panel).

c.Navigate to folder Dassault Systemes in the installation directory (generally in C:\\Program Files) 

Rename the folder DraftSight in it.

d. Clean up registry by renaming registry key folders 

HKEY_CURRENT_USER > Software > Dassault Systemes > DraftSight

(Run registry editor from Start > Run > type "regedit" (without quotes) and select OK. This will launch registry editor) 

Please ensure not to modify any other registry key or folder since it can lead to malfunctioning of other applications

e. Navigate to C:\\ProgramData\\Dassault Systemes and rename the folder DraftSight. (Be aware that the ‘ProgramData’ folder is a hidden folder. You can either choose to show ‘Hidden folders’ from the View menu or you can enter ‘c:\\ProgramData’ directly in the address bar to access this folder.)

f. Reinstall DraftSight and check the issue