Has anyone else found that the new security update from microsoft related to wep blocks them from using the bt

updated yesterday at shut down. the latest hotfix from microsoft and it blocked my wireless connection to my bt home hub. tried to reinstall but it would not accept the wep key. so did a system restore to before the update and bingo back to normal. the fix is definitly about the vunerability of wep as it has been on the web page of the bbc techno page