RCA is terrible. My RCA player gave me nothing but trouble when it came to newer discs.
That's why I just sold
my RCA 5220-P model, and took that money and used it to buy a brand new Toshiba 1200. I'm much happier with the Toshiba, and it's got the latest firmware and I have no trouble with the discs that gave the RCA player fits ("Dr. No" and "The Man With the Golden Gun" in particular).
Also, this one has component video connections for my Toshiba TV and the RCA did not.
On the way out of Best Buy with my Toshiba player I saw another poor soul buying the RCA 5220-P. I seriously came close to telling him to take it back in and exchange it for another!! But he looked happy and I didn't want to upset him....
Anyway, if I were you I would sell it or exchange or just go get a new machine whenever you're able. I hate to come down on the American brands, but they just don't seem to measure up to the Japanese brands.