Windows Explorer, one of the most crucial components of Microsoft's operating system, was quarantined last week after being falsely identified as malicious code by an antivirus company.
Users of Kaspersky Lab's antivirus products noticed the issue, which Kaspersky claimed lasted two hours, on last week.
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The security company's systems had decided that a virus called Huhk-C was present in the explorer.exe file, leading to its confinement or, in some cases, deletion. As Windows Explorer is the graphical user interface for Windows' file system, this made it difficult to perform many common tasks within the operating system, such as finding files.
David Emm, a senior technology consultant at Kaspersky Lab, told ZDNet Australia sister site ZDNet UK on Friday that the company was still examining its checklist to find out why the false positive "slipped through the net".
"This is classic false alarm territory," Emm said. "We will check through our systems and see if we can tighten them up so we don't run into this problem in the future. No antivirus company, including ourselves, can say they have never had a false alarm, [but] on all fronts, we do what we can to minimise any potential risk for our customers."
The "offending signature" went out at around 7 pm on Wednesday, according to Emm, who claimed that it was pulled two hours later in a "makeshift" attempt to limit the damage while Kaspersky examined the signature.
"We proactively went out to our enterprise customers to make them aware there was this potential issue," Emm said. "Only one corporate customer [in the UK] encountered this problem, as well as a handful of home users." He added that users who have not changed their default settings would have found explorer.exe to be only quarantined, rather than deleted.
In March of this year, Kaspersky criticized Microsoft's consumer antivirus product, OneCare, for incorrectly quarantining and, in some cases, deleting Microsoft Outlook files.
In an ideal world,everything would run smoothly but then,we don't live in an ideal world,do we?.To my own way of thinking,the day when we have a completely error-free,mistake-free operating system,one with no flaws or faults will never come.Have to expect the unexpected and deal with each item as it comes along.It is definitely a learning process and hopefully,we will never BE perfect.Microsoft seems to be the favorite target for everyone for a long time but other OS creators have their own problems too.Happy holidays to one and all.