[wpiutil] Make runtime loader exception message slightly better (#7536)

wpiutil/src/main/java/edu/wpi/first/util/RuntimeLoader.java

@@ -16,17 +16,20 @@ public final class RuntimeLoader {
    * @return A load error message.
    */
   private static String getLoadErrorMessage(String libraryName, UnsatisfiedLinkError ule) {
+    String jvmLocation = ProcessHandle.current().info().command().orElse("Unknown");
     StringBuilder msg = new StringBuilder(512);
     msg.append(libraryName)
         .append(" could not be loaded from path.\n" + "\tattempted to load for platform ")
         .append(CombinedRuntimeLoader.getPlatformPath())
         .append("\nLast Load Error: \n")
         .append(ule.getMessage())
-        .append('\n');
+        .append('\n')
+        .append(String.format("JVM Location: %s\n", jvmLocation));
     if (System.getProperty("os.name").startsWith("Windows")) {
       msg.append(
-          "A common cause of this error is missing the C++ runtime.\n"
-              + "Download the latest at https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads\n");
+          "A common cause of this error is using a JVM with an incorrect MSVC runtime.\n"
+              + "Ensure you are using the WPILib JVM (The current running JVM is listed above)\n"
+              + "See https://wpilib.org/jvmruntime for more information\n");
     }
     return msg.toString();
   }