You get the following error message during the installation of SI 2015:
This is usually caused by Avast antivirus software. Follow these steps to resolve the issue:
1. Stop Avast.
There is usually an icon in the taskbar. Click the icon to see the menu. There is usually an option to stop the software.
2. Run a repair on SI 2015.
Go to Windows Control Panel -> Programs and Features, select SI 2015 on the list, then click "Repair" on the menu.
3. Install SI 2015.
Run the installation again.
If you are still unable to complete installation, please open a Support Ticket.