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Microsoft kills Google Chrome with bad malware signature

Gregg Keizer | Oct. 3, 2011
Microsoft scrambled earlier today to revise an antivirus definition file that deleted Google's Chrome browser from users' PCs.

In April 2010, for example, a McAfee antivirus update crippled an unknown number of corporate PCs worldwide when it quarantined a crucial Windows XP system file.

Some users who had seen Chrome vanish when they accepted Security Essentials' advice and let the software delete "chrome.exe," said that their bookmarks had also been eliminated, and that they were not restored after reinstalling Chrome.

Others, however, said that their bookmarks had not been affected.

Computerworld replicated Security Essentials' error by manually deleting chrome.exe, but had trouble reinstalling Chrome in Windows 7 using IE to download Google's browser. Only after uninstalling the remainder of Chrome, then using Firefox to download and save the Chrome setup file was Computerworld able to restore Google's browser.

In that test, Chrome's bookmarks were reinstated.

Microsoft did not immediately reply to questions about whether the Security Essentials' snafu permanently eradicated Chrome bookmarks, as some users attested.



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