Probably different things/causes/threads,,, but,,

Gw 8.0.1 updated from 7.0.3hp2
Running NW65/sp8 in a 2way cluster.

After upgrade, any gwcheck's submitted through C1 ends up...?, nowere
Tested by renaming NGWCHECK.DB,etc = no difference.

But,, starting gwcheck manually from gwcheck dir under util in the
Software8.1 directory works and also updates NGWCHECK.DB and runs.