Last week, Nokia released PC Suite release 14 for Microsoft Windows Vista. Unfortunately, Sony Ericsson PC Suite and Disc2Phone for Windows Vista would only be available in September.

Meanwhile, to install Sony Ericsson PC Suite on Windows Vista, follow these simple steps(Via Estato forum):

-Go to the Control panel, Search for UAC in the Search box and turn off User Account Control (not recommended by Microsoft but necessary for installation of PC Suite)
-Navigate to your Windows Profile Temp folder (Start—>Run—>%temp%) and delete all files listed in there
-Run the Sony Ericsson PC Suite installation program
-When you get an error, do NOT click OK, but leave the dialog box open as it is
-Go back to %temp%
-You will see a new folder such as {ECD53F5D-0F9C-4A7C-8072-08201FXXXXX} with the date and timestamp since you ran the setup
-Copy the entire folder to your desktop
-Download and install Orca.msi (http://www.brentnorris.net/orca.msi)
-Launch Orca and open the Sony Ericssion PC Suite.msi file from the folder on your desktop
-Edit the line called Launchcondition - Remove the first line starting with WindowsNT (Line 1,2 and 4)
-Edit the line called ‘File’- Remove the first 2 lines called msxml4.dll & msxml4r.dll or msxml2.dll & msxml2r.dll (Line 1 and 2)
-Save the MSI file
-Run the Sony Ericsson PC Suite for Smartphones.msi file from the folder on your desktop again
-You will encounter a few errors again but choose to Close them. Setup will complete successfully.
-Reboot the computer

To install mRouter,
- Goto http://developer.intuwave.com/Downloads/m-Router and download the latest version of mRouter
-Run it in Windows XP Service Pack 2 Compatibity Mode using Program Compatibility Wizard. Make sure you select Run As Administrator while running the setup.
-Reboot the computer after installation of drivers

Update: Download the readymade modified file here. Thanks to Bexman from My-Symbian!