Corel Draw X6 64bit on Windows 10 deathly slow to load, save and problems manipulating text. Have tried excluding file from anti-virus and cleared temp file logs. What is the solution, please?

Corel Draw X6 64bit on Windows 10 deathly slow to load, save and problems manipulating text.  Have tried excluding file from anti-virus and cleared temp file logs.  What is the solution, please?