Microsoft has begun pushing patches that fix the Spectre and Meltdown vulnerabilities, two recently-revealed processor-level security flaws that affect almost all computers and mobile devices. Because the security vulnerabilities take advantage of processor-level code, patching the flaws necessarily means slowing down the processors.
For modern Windows 10 PCs, the differences won't be huge. But according to Microsoft, users on older Windows 7 or Windows 8 PCs are going to notice big performance hits.
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Microsoft confirms that Spectre updates will slow older PCs originally appeared on BGR.com on Tue, 9 Jan 2018 at 12:37:40 EDT. Please see our terms for use of feeds.