Today,gadget news about McAfee Still Working on 5958 DAT Update. From McAfee blog confirm about the issue and kept McAfee users updated as best McAfee could and said that McAfee removed the faulty update from all McAfee download servers a few hours after McAfee realized what had happened.
“If you are a enterprise/corporate account, and you have an issue these entries in our virus information library and the knowledge base provide workarounds for this issue. If you are a consumer and have an issue, this support page provides information for impacted consumers or call +1 866 622 3911”

After McAfee update failure because  affected by a W32/Wecorl.a false positive with the 5958 DAT update, which caused computers running a Windows XP Service Pack 3 to shut down within one minute of starting up. W32/Wecorl.a: svchost.exe Virus is a False Positive by McAfee