when i first got the phone the activesync 4.2 that came with the phone worked fine for about a week and then it would not connect... i hard reset the phone... nothing.... i did all the little trouble shooting tips on the microsoft website.... nothing... so i downloaded activesync 4.5...... it worked great... for about a week.... now again i cant get activesync to work... i uninstalled activesync and redownloaded 4.5.... nothing..... the computer is recognizing that the phone is connected as a device but activesync just will not work..... what is the problem?.... and again ive done all the troubleshooting tips on the microsoft website... it just wont work.