The fix for Windows 10 1903 Slowdown THIS WORKS

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The fix for the Windows 10 1903 slow down and lag for me was to disable the Meltdown and Spectre patches I used InSpectre.exe and disabled the Spectre patch https://www.grc.com/inspectre.htm …The lag before this was so bad that it almost made the computer unusable even with an SSD. I have an AMD FX 9370 eight-core with 16 gigs of ram.
I am now at pre-Windows 10 1903 speeds and my computer acts as if it has an SSD again.

These tweaks also help:
Do this in CMD with admin priviledges:

vssadmin delete shadows /all

vssadmin resize shadowstorage /for=c: /on=c: /maxsize=unbounded

Good luck!

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This has made a huge difference on 7 computers that had the update

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Have to say I haven’t noticed much of a difference following 1903 update, thankfully.

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[EP]

me either. running those vssadmin CMDs made no difference (in terms of performance/speed) on my friend’s PC after updating from Win10 Pro v1809 to v1903 using the ISO/USB install method.

• This reply was modified 5 years, 9 months ago by EP.

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firewolfrl wrote:

vssadmin resize shadowstorage /for=c: /on=c: /maxsize=unbounded

This command allows shadow copies to (eventually) use ALL of your C: drive.

I can’t imagine why you’d want to do that.

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I use that command as I use VMware and it makes a big difference when using it…it is optional

 

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Does turning off the Spectre and Meltdown patches make a system vulnerable to these?

Windows 10 Pro 64 bit 20H2

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Yes, but are there any in-the-wild exploits that your browser doesn’t already stop?
Browsers seem to be the most likely way to be affected (via javascript) and they have been improving mitigation for this.
https://www.ghacks.net/2018/01/11/find-out-if-your-browser-is-vulnerable-to-spectre-attacks/

cheers, Paul

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