I have the 8900 and I don't know what happened to my Word to Go.
It was working perfectly fine yesterday until I backed-up my files then took my phone to work and tried opening the program and it says:
How about doing an OTA installation? I know you can do that with the Premium version, and I think also the standard version if you've registered and have a reg code.
Posted from my CrackBerry at wapforums.crackberry.com