--- a/src/eric7/SystemUtilities/QtUtilities.py Mon Jun 03 10:18:13 2024 +0200 +++ b/src/eric7/SystemUtilities/QtUtilities.py Mon Jun 03 14:29:30 2024 +0200 @@ -118,6 +118,8 @@ if libexec else QLibraryInfo.path(QLibraryInfo.LibraryPath.BinariesPath) ) + if not os.path.exists(binPath): + binPath = "" # step 4: determine from used Python interpreter (designer is test object) if not binPath: