Thanks for posting this solution.
Worked for me as well. Every time I clicked on a Variable: Numeric Object on my HMI, Visilogic would seize up immediately. Had to Ctrl-Alt-Del out of it. When I tried to Modify/Repair/Remove Visilogic from the Windows 10 Workstation, the process would fail. Used RevoUninstaller and it plucked Visilogic right out of the workstation. Re-installation of Visilogic was successful. Opened up the project and was able to click on Variable : Number Objects without a problem.
Finding this solution here saved me a ton of time. Thank you.