Have Dell computer with Vista 32 Home Premium Edition. Upon booting and later when using, the windows update in the task bar gives a message 'Windows can't check for updates.' I checked out the detail on this and it gives me error Code 80070005, Windows Update encountered an unknown error. I've googled it and went to several sites where there were many Vista users with this problem and several suggestions. I've tried them all and am still looking. Can you help?
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