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If you have a system with an AMD processor, please read the following Microsoft support article to find out which security updates are being blocked: Windows operating system security update block for some AMD based devices. In the meantime, Microsoft started preventing AMD machines from installing the update. Microsoft and AMD are reported to be working together to resolve it. The performance hit wasn’t entirely unexpected many experts had warned of it, but the more serious issue with some older AMD chips came as a surprise to many.

Unfortunately, Microsoft acknowledged today (Patch Tuesday) that those fixes are causing performance slowdowns on some older Intel-based PCs and servers, and even caused some AMD-based computers to freeze up completely and be unable to boot. I wrote about these vulnerabilities in the article titled Is your processor facing the spectre of a meltdown?

January got off to a rough start, security-wise, with two serious vulnerabilities affecting computer/device processors hitting the headlines and causing Microsoft to release a rare out-of-band patch. This is far from an isolated incident: two additional vulnerabilities for Flash were found in the same 400GB trove in the following days, and earlier this year, Adobe was forced to release emergency security updates in both February and January.Here’s hoping it’s been a happy new year thus far, for all my friends and readers in the IT world. Although Adobe quickly issued a patch to fix the problem, Hacking Team's internal memos describe the flaw as "the most beautiful Flash bug for the last four years," suggesting it had been known about - and used - for some time previously. Last week, a 400GB cache of files stolen from spyware company Hacking Team revealed a major vulnerability in Flash that allowed hackers to execute malicious code on a target's machine via a website.