There are many causes or reasons in the computer due to which you get so many errors. If you are also getting some errors then you are at the right place to get rid of the error. When you try to install updates using automatic update service, you will get Windows update error 0x800703F0 on the computer screen. You will get the update error 0x800703F0 in Windows due to incorrect registry or due to virus infections. The error will make your computer unstable and insist you to troubleshoot it as soon as possible. But if the issue is not getting fixed, you should go with some manual or automatic error fixing methods. For automatic fixing, you can go with an automatic third party Advanced System Repair Tool.