[Wine] Problem with Power Point 2007 & Visio 2007 on wine

[jason]

Hi guys
I am facing some problem for running MS-power point & MS Visio 2007 , i have installed MS office via wine.but i am not able to launch MS-Visio again when i restart the system next day (after installation it was running fine).
But other MS office programs such as. MS word,MS excel are running fine.
I have  Ubuntu Linux
please help,& provide me Solution 
thank you in advance.