Για όσους έχουν αυτό το πρόβλημα
First of all you need to turn on hidden files and folders.
XP:
My Computer
'Tools'
'Folder Options'.
The go to the 'View' tab and select 'Show hidden files and folders'
Windows Vista and Windows 7:
My Computer
'Organize'
'Folder and Search Options'.
The go to the 'View' tab and select 'Show hidden files and folders'
Once this is done, follow the instructions below:
Windows XP:
1. Open “My Computer”
2. Navigate to : “Documents and Settings\<Username>\Application Data\
3. Go into the “Sports Interactive” Folder.
4. Delete the “Football Manager 2012” Folder.
Windows Vista and Windows 7:
1. Click “Start”
2. Click your username on the start Menu
3. Click on “AppData” and then “Roaming”
4. Go into the “Sports Interactive” Folder
5. Delete the “Football Manager 2012” Folder.
Load Steam
From the Library section, right-click on the game and select Properties from the menu.
Select the Local files tab and click the ‘VERIFY INTEGRITY OF GAME CACHE…’ button.
Steam will verify the game's files - this process may take several minutes.
Once the process is completed, the Check Window will automatically exit.