(from README.TXT):

2. NO Warranties
   -------------

   XMGR, RDISK, and UIDE are offered at no cost, "as is", "use at your own
   risk", and with NO warranties, not even the implied warranty of FITNESS
   for any particular purpose nor of MERCHANTABILITY!

   Driver questions and comments may be addressed to the E-Mail of Johnson
   Lam, <johnsonlam.hk@gmail.com>.