Keep getting failed update for KB4. I had the same problem three weeks ago on a clean reinstall W7 system. It downloaded OK, failed to install, and for two weeks went round and round continuing to fail installation on every shutdown. The error code was unusual I dont remember exactly what it was but completely uninformative. Finally I installed the optional pre release version manually, figuring this one would never go in. Find the latest business news on Wall Street, jobs and the economy, the housing market, personal finance and money investments and much more on ABC News. I can sure use some help with this issue. I am running Windows XP SP3. Cyanogenmod 7 Source Rom. I deleted microsoft uaa bus driver for high definition and successfully installed Realtek. Was much annoyed that this was occurring on a clean reinstall Thanks a lot MS, theres no excuse for this. Photoshop Muster Wolken more. It continued going round and round and round failing for another week, and then one day it went in. Nothing in the system log to indicate what the problem was, nor why it finally installed. I speculate that another update came along and unblocked whatever the issue was preventing this one from installing. Windows Xp Sp3 Genuine Reg File.