After dealing with McAfee\u2019s most recent fix that sabotaged Windows XP PC clients worldwide, users of the anti-virus software to Twitter to vent their rage, creating a public-relations and legal nightmare that will likely continue long after the last machine is patched.\u201cI hate McAfee,\u201d more than one Tweeter wrote, summing up the frustration felt when a McAfee update identified a \u201cnormal Windows process\u201d as malware and killed it, kicking off a death spiral for the affected machines.Another Tweet: \u201cMcAfee DAT 5958, you've made...no wait, what\u2019s the opposite of "made my day"?... you've DESTROYED MY DAY. hate you McAfee. HAAATEEEEE.\u201d\u201cVirusScan,\u201d another person Tweeted. \u201cThe cure is worse than the disease.\u201d\u201cOver 1000 PCs in my organization brought down by the very software that\u2019s supposed to protect it,\u201d wrote another.With McAfee\u2019s Web site slammed by users looking for answers and getting none, users seemed incredulous that this flawed fix was released in the first place.\u201cWell,\u201d said Robert Enger, a Los Angeles data communications and systems engineer, \u201cMcAfee to the rescue once again. :-( IT laptop croaked due to erroneous DAT file. I guess McAfee doesn't regression-test anything.\u201d\u201cNot to mention McAfee not testing with the most common OS out there: Windows XP SP3. Defies belief really,\u201d another Tweeter said.One user who managed to find McAfee\u2019s explanation of the cause couldn\u2019t believe the benign description of the problem a little. \u201cHow can a non-working XP box be described as "moderate to significant performance issues" by McAfee?\u201d Tweeted Mike Rohde of Milwaukee, Wis. \u201cIT'S A DEAD PC!\u201dIs there room for lawsuits? Some thinks so. \u201cWhat a disaster for McAfee\u2026could be a bankruptcy-type event when it's all said and done,\u201d said Derek Kaczmarczyk of Chicago.\u201cI wonder how many millions were lost today due to McAfee? Not just biz...Docs had to postpone surgeries, cops couldn't use in-car computers,\u201d mused Chris McRae of Chatsworth, Calif., a self-described tech enthusiast.For some on the fence about McAfee\u2019s anti-virus software, the incident has pushed them over. \u201cI\u2019d been meaning to get rid of McAfee,\u201d said Sheryl Westleigh a Maine artist, \u201c(came installed).\u201dSome who weren\u2019t affected reveled in the fact. \u201cWhat a mistake, hmm?\u201d says Alexander Arias, a personal trainer in Bogata, Colombia. \u201cFortunately I'm using Windows 7 on my PC.\u201d\u201cHa!,\u201d says Jacob Larger of Columbus, Ohio. \u201cHate Vista now?\u201d\u201cApple only in our house,\u201d said Arnold Jason, a musician in Stratford, Conn.Others used Twitter to spread the cure, recommending sites such as Technoded, and Lifehacker.com.One affected end-user even coined a new term for the massive effects of the problem. \u201cMcaffocalypse here at the University of North Dakota,\u201d says Bill Caraher, an assistant history professor at the school.Read more about data center in Network World's Data Center section.