SEBWIN-359: Fixed freeze during startup or application start by explicitly disabling shell execution when starting a process, as this appears to be the root cause of the freeze on Windows 10 version 1903 and above.

SafeExamBrowser.WindowsApi/ProcessFactory.cs

@@ -63,7 +63,7 @@ namespace SafeExamBrowser.WindowsApi
 			}
 			else
 			{
-				raw = System.Diagnostics.Process.Start(path, string.Join(" ", args));
+				raw = StartNormal(path, args);
 			}
 
 			var (name, originalName) = LoadProcessNamesFor(raw);
@@ -166,6 +166,16 @@ namespace SafeExamBrowser.WindowsApi
 			return logger.CloneFor($"{nameof(Process)} '{name}' ({process.Id})");
 		}
 
+		private System.Diagnostics.Process StartNormal(string path, params string[] args)
+		{
+			return System.Diagnostics.Process.Start(new ProcessStartInfo
+			{
+				Arguments = string.Join(" ", args),
+				FileName = path,
+				UseShellExecute = false
+			});
+		}
+
 		private System.Diagnostics.Process StartOnDesktop(string path, params string[] args)
 		{
 			var commandLine = $"{'"' + path + '"'} {string.Join(" ", args)}";