Hello,
I am migrating my company Xp OS to windows 7 Professional, when you've already migrated as 20 machines but the problem is appearing in a couple of machines that I want to migrate the specified error is:
Unableto make change to your software
None of the applications you tried to install began installation succesfully.
Investigate the reason for the installation failures and then try to the applications again.
Click OK to return to Software Center.
Please help me