I think your backgrounds database may be corrupted.
browse to the profile folder.
Vista/ 7 C:\Users\Public\Documents\Softouch\EasyWorship\Profile Folder (usually default)
XP C:\documents and settings\all users\shared documents\softouch\easyworship\Profile Folder (usually default)
rename all of the backgrounds files.
Delete the version.dat file.
The database will convert and EW will open.
Click profiles, database tools, add remove demo data.
Tell it to unistall the songs and backgrounds from EasyWorship.
Then go back and install them.
That will get you back to the basic backgrounds that come with EasyWorship.
You can add more from there. Try to remember the last background you added.
Add it to the media area of EasyWorship and see if it works properly before adding it to backgrounds.
Let your speech always be with grace, as though seasoned with salt, so that you will know how you should respond to each person. Col. 4:6