[winGRASS] reinstall grass57

[W C]

I am new to grass. I have downloaded 5.7 and got an error with the 
cyggdal-1.dll file. I see that this file is now in the download install 
directory. I have tried downloading the file and still get the error telling 
me to reinstall. 1) Hopw do I uninstall only grass 2) When in the install 
process do I deAl with the cyggdal-1.dll file?
Thanks for any help
-lost in the grass

_________________________________________________________________
MSN 9 Dial-up Internet Access helps fight spam and pop-ups – now 2 months 
FREE! http://join.msn.click-url.com/go/onm00200361ave/direct/01/