Windows 10 Hotfix Repository

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Maybe Old News to us, but tell that to the Millions that don't have a clue what a Registry Key is.

 

So, for those who use Windows Defender we still need to add that key?

I've it disabled and so far, nothing on Windows Update, still on build 16299.125

 

Yes. Defender sets the key with latest Definition Updates. You can also set it manually, afterwards the Update will appear in WU.

 

If you have Defender disabled, you won't get latest Definition .so you won't get Key from Defender.

 

Donot set the key manually if using 3rd party AV.
System may bootloop.

 

can anyone explain what's 'DCat Flighting Prod (upgrade) service'?

 

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@abbodi1406 thanks for the 1709 CU confirmation

 

Thanks for the hint, was slightly confused by the Catalog output .

 

CU/SSU released on January 3rd...

 

Would vendor CPU patches make performance slow?

 

micro code patches? nope.

 

You could apply the uCodes patches using this link Security flaw patch for Intel CPUs could result in a huge performance hit
On linux Security flaw patch for Intel CPUs could result in a huge performance hit

 

Actually its firmware-microcode update which is going to be a huge performance hitter.

 

Would it slow down 3rd gen i3? Patch by Dell is going to be released on Feb 7

 

Pre-haswell chips Ivy and previously released ones are observing 20% slowdowns. I have a Ivybridge Pentium 2020M CPU Haswell/Broadwell and later CPUs didn't a notice a hit.
2020M -> Slow performance on W10 yet to be tested on Linux
Broadwell 5200U-> No lowdown on Windows 10, so the result will be same for linux.
Skylake 6700HQ-> No slowdown but on 100% load the CPU is unresponsive most of the times.
Short Answer: Those with Intel CPUs before Haswell are good as dead.