Fixing permissions (Windows server 2008)
A.Windows 2008 Server x64
Please make this folder:
C:\Windows\SysWOW64\config\systemprofile\Desktop
And give write permissions to the "IIS AppPool\DefaultAppPool" user in those folders:
C:\Windows\SysWOW64\config\systemprofile\Desktop
C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft
B.Windows 2008 Server x86
Please make this folder:
C:\Windows\System32\config\systemprofile\Desktop
And give write permissions to the "IIS AppPool\DefaultAppPool" user in those folders:
C:\Windows\System32\config\systemprofile\Desktop
C:\Windows\System32\config\systemprofile\AppData\Roaming\Microsoft
C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft