the solution for blinking cursor problem (for me it worked): right click on the desktop icon of Heroes 6, then go to properties\compatibility, then tick the third and the fourth little squares starting from above ( these are propably: disable visual themes and disable desk-composition-I guess, 'cause I'm not sure, that these are the correct expressions, because I'm neither american nor engligh so I'm sorry for my contingent wrong english I hope I could help you guys, see ya

The solution for blinking cursor problem (for me it worked): right click on the desktop icon of Heroes 6 and click properties, then go to the compatibility tab, then tick the third and the fourth check boxes in "Settings" ("Disable visual themes" and "Disable desktop composition")