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If your Windows 10 PC says it’s having activation problems today, here’s why

Activation problems with Windows 10 are a headache that neither Microsoft nor its users need right now.
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Mark Hachman / IDG

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As PCWorld's senior editor, Mark focuses on Microsoft news and chip technology, among other beats. He has formerly written for PCMag, BYTE, Slashdot, eWEEK, and ReadWrite.

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