Instruct: Classify an Amazon review into positive or negative sentiment.
Query: Not compatible with USB cable modem and McAfee Firewall

Have spent several days trying to get this to work. After installation I am unable to get online and my firewall is disabled. Judging from their website's discussion forum, this has been a known issue since last October with no fix in site.After a lengthy wait (on my dime) with their customer reps, I was told they would call me back in 24-48 hours. With only one day off per week, this was not going to do me any good. My caller id still has shown no calls from them, and it's been almost a week. So I wrote email to customer service, they responded with instructions on hooking up a keyboard. I wrote back, they gave instructions on doing a "clean boot" before installation. This actually got me online, but firewall once again disabled and system ran incredibly slow. Am going to return it to Amazon and try another brand.