You need to use the username / computer name of a user in the "Shell" group when installing to run EXPLORER.EXE.

These are:

username: bobday
computer names: bobday1, bobday2, bobday3, bobday4, bobday5

username: mikeke
computer names: mikeke66, mikeke33

username: jonbe
computer names: jonbe1, jonbe2, jonbe3

username: tomzak
computer names: tomzak1, tomzak2, tomzak3

username: markta
computer names: markta, markta2, markta3, markta4