Can't get 4.09m update to work

[KG26_Alpha]

Well if v408m runs fine and v409 wont it could be a corrupted installation or corrupted download of the file.

Its strange but just to make sure:
With Vista ensure UAC is turned off and IL2 1946 is installed to a folder on the hard drive outside of the programs folder


Turning off UAC

1.

Open User Accounts by clicking the Start button Picture of the Start button, clicking Control Panel, clicking User Accounts and Family Safety (or clicking User Accounts, if you are connected to a network domain), and then clicking User Accounts.
2.

Click Turn User Account Control on or off. Administrator permission required If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
3.

Select the Use User Account Control (UAC) to help protect your computer check box to turn on UAC, or clear the check box to turn off UAC, and then click OK.