Looking through the forums I found a couple of Windows 7 users that had similar issues and errors in their log like yours. For example:
Fatal Error Base address marks unusable memory region
You might look at these comments for some troubleshooting steps:
One thing to note for future projects, Windows 7 has reached it’s end of life with Microsoft for some years now. Very soon when Local is updated to v8, Local will no longer be compatible with Windows 7/8/8.1.