Consumers sue Microsoft, allege Windows 10 upgrade destroyed data, damaged PCs

Three people from Illinois last week sued Microsoft, claiming that the free Windows 10 upgrade they had installed on their PCs caused "data loss and damage to their computers."

Lawyers for the trio asked a Chicago federal court Thursday to grant the case class-action status, which would allow other Americans to join the litigation.

"Many consumers have had their hard drives fail because of the Windows 10 installation," alleged the complaint. "Many consumers have had their existing software and data rendered inoperable by the Windows 10 installation."

All three of the plaintiffs asserted that after accepting the free Windows 10 upgrade -- a one-year deal that ran from 2015 to 2016 -- some data on their Windows PCs had been destroyed. One said that she had had to purchase a new personal computer after the one upgraded to Windows 10 was crippled.

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