have cs5 installed on windows7 64bit. adobe found a cs5.0 udtae for adobe extension manager. for past 2 weeks there was an error downloading . error code U43M1D207. any information?

have cs5 installed ounder windows7 64 bit. since 28 october c5.0 finds an update to adobe extension manager. but after 80% or so, error downloading. error code : U43M1D207. any one has any experience with this ?