Emulator

What's the problem?
While any game is running, it is not possible to drag the safe texture cache slider with the mouse anymore. using the mousewheel to control it is possible though

Dolphin version with the problem (as it appears in the title bar, Ex.: "R
4779" or "R 6403M"):
r7540 x64

Operating system and version:
32-bit or 64-bit:
64bit win 7 ultimate

Game ID (as it appears in game properties, Ex.: "GZ2P01" or "RSBE01"):
GZ2P01

Build command-line (not on Windows):

Was the ISO a plain dump from disc, compressed and/or scrubbed?
1:1 dump using a wii and then scrubbed/compressed using dolphin

Please provide any additional information below.