Sometimes a need arises to stop deploying the current FCS update (hotfix) and revert to deploying the previous release. Each of these releases have been covered in the "FCS Applicable Hotfixes" Wiki article under the FCS Client Hotfixes section.
In the WSUS console follow these two steps:
If you have previously set the QFE9 update to Decline you can Search for "2394433" by right clicking on Updates in the left hand pane and choosing Search. When the results show the 2394433 update you can right click on it and select Approve... in order to begin redeploying the update again.