Export it to a file, and go to the Trusted Publishers section again and Import it. Then go back to Internet Explorer and find the Certificate in the Other Publishers list. If not, right click on SPDBridge.DLL (found in '%PROGRAMFILES%\SPAD.neXt\simmodule', select Properties - Digital Signature, select the certificate and click - Details - View - Install Certificate. Select Tools - Internet Options - Content - Publishers - Trusted Publishers, and make sure 'Ulrich Strauß' is listed there. Go to the key HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layersĭelete the key '\\fsx.exe'='$~ RUNASADMIN IgnoreFreeLibrary' obviously changing to be your flight sim location (and P3d if using Prepare3D)