The labels are the special case of reports. :)
Keep in mind, that every time you use VFP command in the way it wasn't intended to you're doing that on your own risk.

>Work around 2 seems to work - which begs the question what is the difference between reports and labels?
>
>Thanks.
>
>>It looks like a bug in the LABEL command to me. It'still the same under VFP8beta, BTW. You can try following workarounds:
>>
>>1. Every time before previewing, copy your label file mylabel.lbx to the temporary file and run from it.
>>2. Try (NOT TESTED) REPORT FORM mylabel.lbx PREVIEW
>>