HTC Leo 1.48 or 1.49 users are really annoyed after seeing the bottom button overlapping the soft key. In order to troubleshoot or fix button Overlap in HTC dialer you may install the following patch that includes phcanhtc.dll and phcanrc.dll.
Download Patch to fix rhodium dialer bottom button overlap in HTC
Let me know if you are still facing any issues with dialer alignment.
via[xda-developers]