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Your local restoration chokes because the antivirus you are running blocks the file. You can work around that by checking the "Ignore most errors" checkbox before clicking on Start. It's documented in Kickstart's documentation that it's designed to work around files you cannot write to.

If you were restoring to a live site you would obviously not have an antivirus running to block writing the files so there would be no problem — and if there was, the same workaround applies. Of course the host might run a scanner post facto and delete, or rename these files, or even block your site. Not to mention the very real problem of a malware infested file possibly being able to infect other sites under that account, server malware, send spam etc which would definitely cause more serious problems. It should be self-understood that you do need to clean the site before restoring it to a live host.