Environmental Variable Hides Registry Definition of P4Client

When the P4CLIENT registry variable is set using the Windows "set" command instead of p4 set P4CLIENT, the Windows registry variable masks the Perforce set registry value.

Example:

C:\bruno_ws>p4 set p4client=c:/bruno_ws Perforce client warning: Warning: environment variable hides registry definition of p4client.
Unset the Windows P4CLIENT registry variable: set P4CLIENT=Set the Perforce P4CLIENT value using p4 set: p4 set P4CLIENT=

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