UPDATE:nI did another reinstallation. No errors occurred. I also installed ANSYS Student, no errors occurred. When I try to start ANSYS Electronics (ansysedt.exe) the following error occurs :nFailover feature 'ANSYS electronics_desktop' specified in license preferences is not available.nDer angefragte Name electronics_desktop existiert nicht im Lizenzpool.nNo such feature exists.nFeature electronics_desktopnLicense pathnC\Program Files\ANSYS Inc\ANSYS Student\Shared Files\Licensing\student.lic;nFlexNet Licensing errorn-5,357nI would appreciate your help very much.nPS: I work with WIndows 7 Professional 6.1.7601n