diff --git a/api/opusnt.py b/api/opusnt.py
index c8f53f2..95dcf22 100644
--- a/api/opusnt.py
+++ b/api/opusnt.py
@@ -61,7 +61,15 @@ def runReg(cmd,check = True):
 		if dummyMode:
 			print(cmd)
 		else:
-			subprocess.run(cmd,stdout=subprocess.DEVNULL,check=True)
+			if not doAsShell:
+				subprocess.run(cmd,stdout=subprocess.DEVNULL,check=True)
+			else:
+				cmdStr = " ".join(cmd)
+				cmdProc = subprocess.Popen(["cmd.exe"],stdin=subprocess.PIPE,stdout=subprocess.DEVNULL)
+				cmdProc.stdin.write((cmdStr + "\nexit\n").encode("utf-8"))
+				cmdProc.stdin.flush()
+				rtn = cmdProc.wait()
+				if rtn != 0: raise Exception
 	except Exception as e:
 		if check == True: raise e