SONAR: MFC42.DLL Error.
The problem lies in a corrupted Windows Registry entry whcih controls the display settings of the program. This can occasionally happen through normal use or it may occur after another program has updated Windows System Files.
1. Choose Start | Run, and type regedit. Click OK.
2. Backup your registry by choosing File > Export. Choose an Export Range of ‘All’ and save the file as ‘backup’ to a floppy disk.
3. Clicking the plus signs next to each folder, follow the path below:
HKEY_CURRENT_USERS/Software/Cakewalk Music Software/SONAR/(Version Number)
4. Delete all folders labeled Toolbar. DO NOT DELETE ANYTHING ELSE!
5. Close the Registry Editor, and restart your computer.
6. Now launch Cakewalk and the problem should be resolved.
When you need help, Sweetwater has the answers!
Our knowledge base contains over 28,000 expertly written tech articles that will give you answers and help you get the most out of your gear. Our pro musicians and gear experts update content daily to keep you informed and on your way. Best of all, it’s totally FREE, and it’s just another reason that you get more at Sweetwater.com.