Diễn đàn hỗ trợ Firefox

When I try to down load and save an antivirus device on my computer, I get a message saying that I don't have the permission and/or authority to do this. I think it has something to do with my browser's (https://) that I believe I must have done something to create this, however; I don't know how to undo this. Some of the messages I receive when I try to open site that I normally order things from, I can't now. Please see the statements below that appear when I click on them. My computer says that my system is up to date

Access Denied You don't have permission to access "http://www.overstock.com/c/bedroom-furniture/nightstands?" on this server. Reference #18.5a102017.1772291016.585ff75c https://errors.edgesuite.net/18.5a102017.1772291016.585ff75c

Access Denied You don't have permission to access "http://www.bedbathandbeyond.com/c/lighting?" on this server. Reference #18.88643017.1772291172.13b04de1 https://errors.edgesuite.net/18.88643017.1772291172.13b04de1

Please help me, I really need to put a another good antivirus on my computer as well because I just stop the service for the webroot service that I had. Also, if you can recommend a good one that you know of, I would greatly appreciate this as well.

Thank you kindly for any help that you can do

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