UAC virtualization is designed to allow already-installed applications to run successfully with standard user privileges, even if they store temporary files or logs in a protected folder. UAC Virtualization allows an application to write data to a system protected area without admin right. 2) During UAC virtualization, supposing I have a non-admin application on Windows 10, trying to write to C:\Program Files (x86)\FilenName. UAC Virtualization helps prevent applications from writing to protected system resource locations by redirecting the "Writes" to a location where the user has access, which is their own personal profile. Windows 7: What do 'enabled' and 'disabled' UAC virtualization mean? 02 Jul 2014. In the task manager, details tab, there two internet explorer.