Thanks marc,

I did try to refresh but the changed paramete wasn't saved.

I ran the checksetup.pl again and found this

"Checking for MIME::Tools (v5.406) not found"

Once I installed the package the Bugzilla 2.22.1 works fine. Then I can
change the parameter using 2.22.1 version.

I think somebody needs to update the help on windows installation.

-- Deen