ConfigMgr / SCCM 2007 Package is not decompressing to the “SMSPKG<drive>$” directory

ConfigMgr / SCCM 2007 Package is not decompressing to the “SMSPKG$” directory

I’ve sent a Package to a new DP. The PCK is appearing in the “SMSPKG” directory but the Package is not decompressing to the “SMSPKG<drive>$” directory.  Why is my ConfigMgr / SCCM 2007 Package is not decompressing to the “SMSPKG<drive>$” directory?