Ant wrote:

I just noticed my updated 64-bit W7 HPE SP1 machines have
C:\Windows\AppCompat\Appraiser\.

C:\dir /o:n /s "C:\Windows\AppCompat\Appraiser"
Volume in drive C is [deleted]
Volume Serial Number is [deleted]

Directory of C:\Windows\AppCompat\Appraiser

10/10/2018 03:50 AM DIR .
10/10/2018 03:50 AM DIR ..
02/11/2017 03:58 AM 92,387 APPRAISER_FileInventory.xml
12/23/2018 04:57 AM 815,942 APPRAISER_TelemetryBaseline_RS1.bin
12/23/2018 04:57 AM 816,098 APPRAISER_TelemetryBaseline_RS2.bin
12/23/2018 04:57 AM 816,008 APPRAISER_TelemetryBaseline_RS3.bin
12/23/2018 04:57 AM 815,528 APPRAISER_TelemetryBaseline_RS4.bin
12/23/2018 04:57 AM 815,216 APPRAISER_TelemetryBaseline_RS5.bin
02/11/2017 03:59 AM 652,570 APPRAISER_TelemetryBaseline_TH2.bin
12/23/2018 04:57 AM 535,256 APPRAISER_TelemetryBaseline_UNV.bin
8 File(s) 5,359,005 bytes

Total Files Listed:
8 File(s) 5,359,005 bytes
2 Dir(s) 922,583,842,816 bytes free

Um, where is this coming from (did I miss a nosey KB update?) and how
can I stop its nosy telemetries?

Even if you go through the wizards to disable telemetry, Microsoft
decided the processes will still run to compile that info despite it
doesn't get sent. A waste of CPU cycles to build data that isn't used.

I did the obvious and disabled the telemetry option: Control Panel -
Action Center - Change Action Center settings - Customer Experience
Improvement Programs settings, select "No, I don't want to participate
in the [CEIP] program". Then I went into Task scheduler under Task
Scheduler Library - Microsoft - Windows and:

- Under "Autochk" node:
o Disable the event to run the Proxy process.
- Under the "Customer Experience Improvement Program" node:
o Disable all its scheduled events.

In Services (services.msc), I disabled (not deleted):
- Application Experience

Those are the ones that I remember disabling. Maybe there are a couple
more. The whole CEIP telemetry isn't for your benefit as a user. The
attempt to use App Experience to help resolve problems is a failure. No
point in wasting CPU cycles to build a report that will never be sent or
try looking up app compatibility settings (those go into the registry)
since the help prompt rarely leads to a solution.

CEIP and App Experience are to see if there exist local rules on
compatibility modes and attributes when there is a problem loading or
running an [old] program. If the problem isn't resolved, data is
collected and sent to Microsoft but that's mostly to report the issue,
not resolve it. It's supposed to also lookup compatibility settings on
their server and why you get the worthless popup offering to resolve the
issue but that never helps. Personally I've not heard of anyone getting
any actual resolution with that App Experience prompt.

You don't need to delete any files. Just disable the scheduled tasks
and services for the telemetry and appEx processes.