Today Download the latest version of avast! 5.0.673
After installation, restart the computer.
In the Open avast! Found to be set up like a password to operate the project.
I declare this: I have to restart the install process did not set a password.
Will: The default password is how much?
重新安装avast!就没事了
Try uninstalling it (1) from the control panel, (2) in safe mode using the Avast uninstall utility, here, and installing the latest setup, which is 5.0.594.