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ATP and MS Patch KB4530717 causes some applications to run slow


I have a problem where we found that some applications runs slow or fails to run as normal after MS Patch KB4530717 was installed to our Windows 10 computers.

Since this occurred during the Christmas holiday, we knew that we didn’t do any changes in the McAfee environment for our customer. We started to look at other changes that was done where we found that Workplace Team deployed MS Patch KB4530717.

We uninstalled this patch and everything was OK again.

To troubleshoot this, since KB4530717 is mandatory, our team was assigned the task to disable all McAfee components. This didn’t result in any better result.

After that we uninstalled the McAfee components on a test computer and found that it resolved the problem. 

To pinpoint what module that was not working well with KB4530717, we installed component by component and found out that, as soon as the ATP module was installed, the problems occurred again.

Now, running the test computers without the ATP module everything works fine.

What we noticed so far is the following;

  1. Certain IP telephony software fails to run as normal with delays that eventually times out.
  2. Changing sound device from one to another take a long time with the message "Not responding"

Do anyone else experience the same problems since patch KB4530717.

I also submitted a Service Request where McAfee couldn’t see anything that indicated on ENS being involved in causing any issue.

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