Hi kimberfo,
if your still needing to use system restore then type this is the run box (or copy and paste):
sysdm.cpl
Press OK and you'll see the System Properties dialogue box appear. Look across the top for System Protection and click that. You should now see a tab for system restore please click that.
It will give a recommended restore date but if that doesn't suit your purposes you can always change it by hitting the checkbox for 'Choose a different restore point'. Ideally you should see a restore point in relation to the update that was installed as Windows usually creates a system restore point around the time of update installation.