Check or verify that windows Vista SP1 (Service Pack 1) has been installed on your computer system or PC, if you are a Vista user.You can check whether Vista SP1 (Service Pack 1) has been installed as follows:
- Click Start –> All Programs –> Accessories –> System Tools –> System Information.
- Check the Value element of the Version item.The value will indicate which service pack you have installed.
For example, the Value element of the Version item displays text that resembles the following if you have installed Windows Vista SP1:
versionnumber Service Pack 1 Build buildnumber
Note that The version number will vary if you install other updates to Windows Vista after you install Windows Vista SP1.