You have a server that is running Microsoft Windows Server Update Services (WSUS) 3.0. The Download express installation files option has been enabled for a while, and then you disable this option. Then, you run the Server Cleanup Wizard to remove the update files that are no longer needed. After you approve an update, one or more client computers cannot receive the update from the server. When this problem occurs, you receive the following error message on the affected client computers:
HTTP status 404 (0x80190194)
Additionally, the following error message is logged in the Windows Update log file (WindowsUpdate.log) on the affected client computers:<Date><Time> 1580 238DnldMgr WARNING: BITS job {41768452-00D5-410C-976C-5E1BBB4972B0} failed, updateId = {1278EEC8-2BDC-4163-A4FE-CA6F39958529}.101, hr = 0x80190194, BG_ERROR_CONTEXT = 5
Note The Windows Update log file is in the %Windir% folder.