diff --git a/tools/config_validator.py b/tools/config_validator.py
index c61d2d7a2b..790734101f 100644
--- a/tools/config_validator.py
+++ b/tools/config_validator.py
@@ -9,12 +9,11 @@ import os
 import sys
 import subprocess
 import timeit
-import threading
 import time
 
 ######## GLOBALS #########
-MAINPREFIX = "z"
-PREFIX = "ace_"
+MAINPREFIX = "Z"
+PREFIX = "ACE"
 ##########################
 
 def Fract_Sec(s):
@@ -36,7 +35,7 @@ def CheckPBO(p,makePboArgs,errors):
             makePboArgs,
             "-@={}\\{}\\addons\\{}".format(MAINPREFIX,PREFIX.rstrip("_"),p),
             p,
-            "{}{}.pbo".format(PREFIX,p)
+            "{}_{}.pbo".format(PREFIX,p)
         ], stdin=None, input=None, stdout=subprocess.PIPE, stderr=subprocess.PIPE, check=True)
     except subprocess.CalledProcessError as e:
         print("!! Problem With {} ret {} !!".format(p, e.returncode))
@@ -44,21 +43,21 @@ def CheckPBO(p,makePboArgs,errors):
         errors.append(p)
     else:
         print("  Checked ok {}".format(p))
-    return 
+    return
 
-def fullDump(p): 
+def fullDump(p):
     try:
         subprocess.run([
             "makepbo",
             "-PQGs",  #Q Lint only - Gs Check external references and show deRap - P dont pause
             "-@={}\\{}\\addons\\{}".format(MAINPREFIX,PREFIX.rstrip("_"),p),
             p,
-            "{}{}.pbo".format(PREFIX,p)
+            "{}_{}.pbo".format(PREFIX,p)
         ], stdin=None, input=None, check=True)
-    except subprocess.CalledProcessError as e:  
+    except subprocess.CalledProcessError as e:
         input("Press Enter to continue...")
-    return 
-    
+    return
+
 def main(argv):
     print("""
   ####################
@@ -68,11 +67,13 @@ def main(argv):
 
     start_time = timeit.default_timer()
 
-    scriptpath = os.path.realpath(__file__)
-    projectpath = os.path.dirname(os.path.dirname(scriptpath))
-    addonspath = os.path.join(projectpath, "addons")
+    addonspath = os.path.join("P:\\",MAINPREFIX,PREFIX,"addons")
 
-    os.chdir(addonspath)
+    print("Switching to dir: {}".format(addonspath))
+    try:
+        os.chdir(addonspath)
+    except:
+        raise Exception("Failed to switch to addon dir on P:")
 
     #Q Lint only - G Check external references - P dont pause    (Gs) does full derap
     makePboArgs = "-PQG"
@@ -81,27 +82,19 @@ def main(argv):
         makePboArgs = "-PQ"
 
     errors = []
-    
+
     for p in os.listdir(addonspath):
         path = os.path.join(addonspath, p)
         if not os.path.isdir(path):
             continue
         if p[0] == ".":
             continue
-        
-        # t = threading.Thread(target=CheckPBO, args=(p,makePboArgs,errors))
-        # t.start()
         CheckPBO(p,makePboArgs,errors)
 
 
-    # for t in threading.enumerate():
-        # if t is threading.currentThread():
-            # continue
-        # t.join()
-            
     d,h,m,s = Fract_Sec(timeit.default_timer() - start_time)
     print("\n# Done with {0} errrors [took: {1:2}h {2:2}m {3:4.5f}s]".format(len(errors),h,m,s))
-    
+
     if (len(errors) > 0):
         if "full" in argv:
             input("Dumping Full DeRap: Press Enter to continue...")
@@ -109,7 +102,7 @@ def main(argv):
                 fullDump(p)
         else:
             print("use 'full' arg to show derap")
-    
+
     ret = len(errors)
     print("return {}".format(ret))
     return ret