Try this for me please Zappos
Visit this page - download both redistributable
https://aka.ms/vs/17/release/vc_redist.x64.exe
https://aka.ms/vs/17/release/vc_redist.x86.exe
Install and update your C++ Redistributable
Once done - run 1.7 installer again
IF it doesn’t work - could you please go to Start menu
Event Viewer
On the left side WIndows Logs > Applications
Do you see any Big Red error related to Lightburn.exe, if so could you share some screenshots of the “general tab” that describe the error.