Mapped drives no longer available

HI everyone
Recently my mapped drives in Win 10 are no longer available.
My server on my home network has no problem with mapped drives to the same device.
I suspect a windows update problem
There is a lot of documentation out there on this subject.
One is to enable map drives in GPO. However,  Drive Maps does not exist in GPO - User Config- preferences - windows setting. in fact preferences doesnt exist either.
I am logged in as admin. I also cannot map the drives from the command prompt using NET USE I get a system 67 error

I appreciate any help
Thanks
H
HenryV1955Asked:
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McKnifeCommented:
Group Policy preferences do only exist in domain controller based GPOs, sorry.
Is there a reason you have to suspect updates? If so, uninstall them (but I wouldn't).
Quite often, third party software like anti virus components run amok due to bugs - maybe start with uninstalling those.
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HenryV1955Author Commented:
I have also tried editing the registry with the following:
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System

EnableLinkedConnections = 1

It worked initially on a reboot but no longer
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HenryV1955Author Commented:
Thanks McKnife for your reply
I suspect updates because it has worked for over a year just fine.
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McKnifeCommented:
And updates were installed right before?
Uninstall them - that is trouble shooting. But I'd start with uninstalling AV software.
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HenryV1955Author Commented:
As you know windows updates are a regular occurance. I'm sure my AV has updated  a few times in the past year as well
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McKnifeCommented:
So... will you act or...?
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HenryV1955Author Commented:
not without more research. what update would i choose????
I;m seeing all sorts of info on this subject. Not many of them talk about updates
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McKnifeCommented:
For win10, there is usually just one cumulative update that you can uninstall: the latest. Try it. But I would really go with uninstalling AV.
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HenryV1955Author Commented:
HI McKnife
So uninstalling my AV worked!. Mapped drives are working again. Thank you
But when I install my AV problem is back. SO there is a config setting in my AV that allows for access to home network devices. I set it, did a reboot but it didnt help
So  i'll need to review more on my AV side
You think this is only culprit?
Thanks again
H
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McKnifeCommented:
See if your AV engine is up2date. If so, inform the manufacturer.
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