Under the tab, click Change in the Virtual Memory section.

Unarc.dll is a dynamic link library (DLL) file associated with the Inno Setup installer, a popular tool used to create installation packages for Windows applications. The file is responsible for handling the installation and extraction process.

Do not install to:

Open the , search for Windows Security , and open it. Navigate to Virus & threat protection -> Manage settings . Toggle Real-time protection to Off .