Question: How do I remove unwanted settings for an R4 configuration that uninstall did not clear?
Answer: Go into the registry and delete the following:
delete HKLMSOFTWAREOlympusDSSPlayerPro
delete HKLMSOFTWAREOlympusDSSDecoder
delete HKLMSOFTWAREOlympusDeviceDetector
delete HKCUSOFTWAREOlympusDSSPlayerPro
delete HKCUSOFTWAREOlympusOlympus DSSPlayerPro
delete HKCUSOFTWAREOlympusDSSPlayer
delete HKCUSOFTWAREOlympusDeviceDetector
IMPORTANT:  Working in the registry can be very dangerous if you don’t know what you’re doing, therefore; please back up your registry before making any changes.