diff --git a/DataDigger2.p b/DataDigger2.p
index ea0de4f..48d82ba 100644
--- a/DataDigger2.p
+++ b/DataDigger2.p
@@ -669,7 +669,9 @@ PROCEDURE recompileSelf :
     
     IF COMPILER:ERROR THEN
     DO:
-      ASSIGN lCompileError = TRUE.
+        /* this file doesn't need to compile/run on versions under 11.3 */
+        IF bOsFile.cFileName <> "getProcessArchitecture.p"
+            THEN ASSIGN lCompileError = TRUE.
       IF bOsFile.cFileName <> "myDataDigger.p" THEN lCoreFileError = TRUE.
     END.
   END.
diff --git a/DataDiggerLib.p b/DataDiggerLib.p
index 37c8039..55a60fe 100644
--- a/DataDiggerLib.p
+++ b/DataDiggerLib.p
@@ -51,11 +51,15 @@ DEFINE TEMP-TABLE ttFont NO-UNDO
  * See for more info:
  * https://knowledgebase.progress.com/articles/Article/Windows-API-call-fails-with-error-13712-in-11-7-64-bit
  */
+&IF DEFINED(PROC-ARCH)=0
+    &THEN &SCOPED-DEFINE PROC-ARCH PROCESS-ARCHITECTURE
+&ENDIF
+
 &IF PROVERSION >= '11.3' &THEN   /* PROCESS-ARCHITECTURE function is available */
-  &IF PROCESS-ARCHITECTURE = 32 &THEN /* 32-bit pointers */
+  &IF {&PROC-ARCH} = 32 &THEN /* 32-bit pointers */
     &GLOBAL-DEFINE POINTERTYPE LONG
     &GLOBAL-DEFINE POINTERBYTES 4
-  &ELSEIF PROCESS-ARCHITECTURE = 64 &THEN /* 64-bit pointers */
+  &ELSEIF {&PROC-ARCH} = 64 &THEN /* 64-bit pointers */
     &GLOBAL-DEFINE POINTERTYPE INT64
     &GLOBAL-DEFINE POINTERBYTES 8
   &ENDIF  /* PROCESS-ARCHITECTURE */
diff --git a/DataDiggerLib32.p b/DataDiggerLib32.p
new file mode 100644
index 0000000..7aa44a8
--- /dev/null
+++ b/DataDiggerLib32.p
@@ -0,0 +1 @@
+{DataDiggerLib.p &PROC-ARCH=32}.
diff --git a/DataDiggerLib64.p b/DataDiggerLib64.p
new file mode 100644
index 0000000..9665670
--- /dev/null
+++ b/DataDiggerLib64.p
@@ -0,0 +1 @@
+{DataDiggerLib.p &PROC-ARCH=64}.
diff --git a/getProcessArchitecture.p b/getProcessArchitecture.p
new file mode 100644
index 0000000..71fc01f
--- /dev/null
+++ b/getProcessArchitecture.p
@@ -0,0 +1,2 @@
+DEFINE OUTPUT PARAMETER iProcessArchitecture AS INTEGER     NO-UNDO.
+iProcessArchitecture = PROCESS-ARCHITECTURE.
diff --git a/startDiggerLib.p b/startDiggerLib.p
index 332ad7e..cf674bd 100644
--- a/startDiggerLib.p
+++ b/startDiggerLib.p
@@ -7,6 +7,7 @@
 
 DEFINE VARIABLE hDiggerLib AS HANDLE    NO-UNDO.
 DEFINE VARIABLE hCustomLib AS HANDLE    NO-UNDO.
+DEFINE VARIABLE iProcArch  AS INTEGER  NO-UNDO.
 
 /* Call out to see if the libraries have been started 
 */
@@ -16,7 +17,22 @@ IF NOT VALID-HANDLE(hDiggerLib) THEN
 DO:
   /* Start main library 
   */
-  RUN DataDiggerLib.p PERSISTENT SET hDiggerLib.
+  DO ON ERROR UNDO, LEAVE
+   ON STOP UNDO, LEAVE:
+   /* this file won't compile and won't run on version < 11.3,
+      only 11.3 and higher can be 64 bit
+      this will give an error or stop condition on versions under 11.3
+      catch this error and assume 32 bit as the first 64 bit client is 11.3
+   */
+   IF SEARCH("getProcessArchitecture.r") <> ?
+     THEN RUN 'getProcessArchitecture'(OUTPUT iProcArch) NO-ERROR.
+  END.
+  /* progress r-files are not bit dependent,
+     however calls to the Windows API require other variable types
+     select the correct veriabled types by starting the correct file */
+  IF iProcArch = 64
+      THEN RUN DataDiggerLib64.p PERSISTENT SET hDiggerLib.
+      ELSE RUN DataDiggerLib32.p PERSISTENT SET hDiggerLib.
   SESSION:ADD-SUPER-PROCEDURE(hDiggerLib,SEARCH-TARGET).
 
   /* Populate the ttConfig table. Must only be done when the lib is started