Fix drive letter check (fixes #584)

CHANGELIST.md

@@ -9,6 +9,7 @@
 - Add first-run Options title, fix saving bug
 - Fix multiple handler invocation
 - Create method for applying theme
+- Fix drive letter check
 
 ### 2.7.2 (2023-10-17)
 

MPF.Core/DumpEnvironment.cs

@@ -684,7 +684,7 @@ namespace MPF.Core
             OutputPath = InfoTool.NormalizeOutputPaths(OutputPath, true);
 
             // Validate that the output path isn't on the dumping drive
-            if (Drive?.Name != null && !OutputPath.StartsWith(Drive.Name))
+            if (Drive?.Name != null && OutputPath.StartsWith(Drive.Name))
                 return Result.Failure("Error! Cannot output to same drive that is being dumped!");
 
             // Validate that the required program exists