Windows 10: Windows 10 issues caused by a virus?

Last month my system started running very slow suddenly. I've improved it a lot by running a few different types of virus scans, disabling several unneeded services etc. but I'm still having issues. I've gone through the registry and cleaned up crumbs left behind by old programs, driver etc.- it's choking on something when windows starts then suddenly clears- certain features won't start as in I click the icon for it and nothing happens e.g. privacy settings, file manager, and a few others that are related to the operating system.- runs fine then will be very slow until rebootI've checked w

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Windows 10 Tweaks

Pressing “Windows+Pause Break” (it’s up there next to scroll lock) opens the “System” Window.

Windows 10: In the new version of Windows, Explorer has a section called Quick Access. This includes your frequent folders and recent files. Explorer defaults to opening this page when you open a new window. If you’d rather open the usual This PC, with links to your drives and library folders, follow these steps:

• Open a new Explorer window.
• Click View in the ribbon.
• Click Options.
• Under General, next to “Open File Explorer to:” choose “This PC.”
• Click OK

credit to Lifehacker.

 

New install Windows 10 (issue solved)

It's good that you're not experiencing any issues. Unfortunately many folks are, a quick Google search will show the same info im offering the OP.

Heres a couple examples:

Here

Here

It's basically what I mentioned above, small issues here and there ,but nothing to end your day.. for the most part.

I know it's anecdotal, but for my experience 95% of the time it's perfectly fine. The issues I've run into wouldn't be enough for me to roll back , but they would be enough (had I not installed it yet) ,to avoid it for another couple weeks which is why I'm suggesting it to the OP

Windows 10 Fall Creators Update problems and complaints

• Installation problems with the Fall Creators Update
• Microsoft Edge problems with the Fall Creators Update
• Drivers problems with the Fall Creators Update
• Experience problems with the Fall Creators Update

keep in mind, as of recently, the FCU is installed on 5% of devices roughly.....

 

Windows 10 update: start up and sleep issues caused

Dear Vijay,

Thank you for your response: apologies for slow feedback.

Regarding step 1 - doing a restore point : I tried this twice and twice it failed. Now, the date of the update that caused the issue (13/14 September 2019) has disappeared from the history list. Is there a way of finding it, still?

Regarding Step 2- the list of updates installed: the two suggestions above do not seem to appear in the list in the window "Installed Updates".

There are two updates listed for 13 September - Security Update for Adobe Flash Player and Security Update for Microsoft Windows.

Could you advise what I might try next?

Thank you so much.