

The following log files are created when an upgrade fails during installation after the computer restarts for the second time: The following log files are created when an upgrade fails during installation before the computer restarts for the second time:Ĭ:\$Windows.~BT\Sources\panther\setupact.logĬ:\$Windows.~BT\Sources\panther\miglog.xml The following log files are created when an upgrade is successful: If you choose to delete them, do it very carefully, that is, only if you are well aware of the files that are being cleared. Windows Upgrade log files contain information that can help identify and troubleshoot problems that occur during Windows installation, upgrade processes or during servicing.
