I own a hp pavillion 7855 with a pentium processor and Windows ME. I always get the same message at start up. Windows could not update the %1 from %2 %1:%2 Windows could not upgrade one or more system files before starting. Then it says the system may or may not work properly. Then it says press any key. When I press a key sometimes my main screen comes on without a problem and sometimes I get other error messages. What does The initial error message mean? Thanks