I had a hard time with Windows update today so I thought I would post this. I had a client that would not download updates. In the Windows Update log it showed this error:
WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x80190194
WARNING: DownloadFileInternal failed for http://wsusserver/selfupdate/wuident.cab: error 0x80190194
When I manually put the WSUS URL in a browser it would download the file no problem. This got me thinking there must be something wrong with winHTTP. Sure enough I ran proxycfg.exe and it revealed an invalid proxy server.
To fix the problem I simply ran "proxycfg.exe -d" for direct access.
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