missing dll for EpicInstaller-10.5.4.msi - Fortnite

How To Run MSI File As Administrator From Command Prompt In Windows. Step 1: Simply download this MSIFileRunAsAdmin.Zip " http://windows.intowindows.netdna-cdn.com/wp-content/uploads/My%20uploaded%20files/MSIFileRunAsAdmin.zip " file and then extract the ZIP file to get a Registry file named MSIFileRunAsAdmin.Reg file. Step 2: Double-click on MSIFileRunAsAdmin.Reg file or simply right-click on it and then click Merge option. Click Yes button when you see the UAC prompt.