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Friday, 6 April 2007

Laptops, Firewalls and Windows Update

I recently encountered this issue. Windows Update stopped working properly on an Acer laptop. If I manually ran the update, it would loop at some point and I could not get the updates. I found out that the Generic Host now needed to be completely trusted by the firewall. This was not the case a while ago.

It may have been caused by something in the Zone Alarm firewall due to the major update (although the program settings were not changed), or something in a recent Windows Update itself.

To fix this issue if you are using Zone Alarm: open the program, go to the Program Control, find Generic Host... and make sure it is now allowed in all 4 columns. You should be able to run Windows Update now.

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