well, more information...
I have now tested with the following versions of BB Desktop Software:
(these version #s are from the about box)
4.1.0.8 = OK
4.1.0.10 = OK
4.1.1.9* = NOT WORKING
*note that 4.1.1.9 is what you get when you install the "4.1.1.12" package which is the latest version as of this writing.
I did a string search of all the files in the RIM directories in Program Files and Common Files and found that the dialog box is contained in:
C:\Program Files\Research In Motion\BlackBerry\product.dll
I confirmed this using a program called XN Resource Viewer. The working (i.e. non-annoying) versions of BB software do not even contain the offending dialog box in the product.dll file. So for now I have settled on using the 4.1.0.10 software (which is actually called "4.1.0.13" on RIMs download site)
HELLO RIM DEVELOPERS- PLEASE REMOVE THIS QUITE USELESS AND ANNOYING DIALOG BOX AND REMEMBER...
IF IT AINT BROKE DONT FIX IT THANK YOUUUUUUUU!