Appdate folder is hidden , hence unhide the hidden files and folder to locate the App data folder inside the users folder.

You said that the settigns folder for Illustrator cs5  was empty , then for sure it is the permission issue.

Two things you can do:-

1) Enable the hidden admin account and then launch Illustrator and check in the "Administrator" account, is it works then copy and paste the settings folder in the normal user account and check;-

         to enable hidden admin account follow :- http://www.howtogeek.com/howto/windows-vista/enable-the-hidden-adminis trator-account-on-windows-vista/

2) Check the permission of the Illustrator cs5 settings folder ,

No....

You dont have to craete the Administrator account , it is alreay present but is hidden all you have to do is enable it....check the link posted earlier for the same it tells the step you need to follow.

Go to Administrator account.

Open Illustrator check , does it work fine , If yes....go to User/Administrator/Appdata/Roaming/Adobe/Adobe IllustratorCS5 Settings, copy it and paste it in your users folder

haven,

What happens if you:

1) Uninstall,

2) Run the Cleaner Tool, http://www.adobe.com/support/contact/cscleanertool.html

3) Reinstall?

Do you actually get the splash screen of the illustartor when you try and open it.

at what stage or movement does it crash, can you try be more specific....

If you are not even getting the splash screen then that folder will be empty , because it is the preferences folder and preferences get created when the program luanches but in your case this not happening.

Secondly , all the troubleshooting done earlier except Uninstall and re-install ,is product specific however however I dont think that is the case in your situation.

Go to C:\Users\<username>\AppData\Local\Temp

locate amt3.log , delete it

Launch your Illustrator , it will crash

then go back to C:\Users\<username>\AppData\Local\Temp

and collect the amt3.log and paste it on Pastebin.com website and provide the link here , to analysis

I beleive you are looking at the right place ,

Click the start Button

At the bottom serach box , type "amt3.log" , does the file show up in the list , if no

then I would say contact Adobe support ,and get this fixed.

The problem could be either at the time of installation or launch.

also can you share the install logs:-

1 .Navigate to the log files in one of the following folders: