Teams error "This operation has been cancelled due to restrictions in effect on this computer"
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Article ID: CTX473955
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Description
Teams cannot run on PVS+App layering environment: This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator.

Resolution
1.We find blew registry in user environment.
\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun 
However, no corresponding GPU prevent process running:
User Configuration > Administrative Templates > System > Don’t run specified Windows applications.
2.Perform process monitor and find the operation came from
Noskale which is a
WEM process.
3.Find in
WEM > Security > Process Management and we find process blacklist. Remove the blacklist and problem solved.

Problem Cause
WEM > Security > Process Management > process blacklist
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