Everytime I load up renoise 1.5 full I get a window saying something like “This program failed because MSVCP71D.dll is missing. Reinstalling should fix this problem.” but then the program loads up anyway…and appears to function fine. However, when I try reinstalling the program I still get the same error box. Has anyone else experienced this too?

We do not use this dll. Could you try to disable all VST plugins (temporary rename your VST folder) and post/send the renoise log files (see