The company blamed the mistake on human error and apologised for any inconvenience caused to users and site owners whose pages were incorrectly labeled.
Google Inc. said in an explanation on its company blog that the glitch occurred between 9:30 am and 10:25 am Saturday. It said anyone who did a Google search during that time likely saw the message “This site may harm your computer” accompanying every search result.
Google said the glitch was caught by on-call staff and the file was quickly fixed.
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