This computer must be restarted before updating can continue
You'll continue to see this error each time you run Exchange Setup if this happens.
In most cases, you just need to restart the computer to get past this error.
Evaluating conditions to determine whether to run setup update. [0A30][2015-07-10T]e000: MUX: WARNING: For security reasons DTD is prohibited in this XML document.
By any chance did you get that error and do you know how to fix it ?It's possible that another running program or a previous instance of Firefox that did not close properly is interfering with the Firefox update process.This error can also occur if you share your computer with other users, and another user's account is still logged in with Firefox running.Note: This procedure modifies the Windows registry.Before making any registry modifications, ensure that you have a current and valid backup of the registry and the virtual machine.