If you want to open an Elevated Command Prompt, which is one that runs with Administrator privileges, you can see the How to open a Windows 10 Elevated Command Prompt article instead.

To open the Control Panel from the Windows 8 Start Screen go to the Start Screen and type Control. When the search results appear click on the Settings category as shown below.

To open Computer Management using Windows Search, place your cursor in the search box on the left side of the taskbar and type ‘computer’. Computer Management will show up in search results.

In the file monitor log after the installer starts to rollback i notice something is written to this file C windows\system32\config\software.log I think the files in here are used by the event log ...