diff --git a/scripts/Start Stable Diffusion UI.cmd b/scripts/Start Stable Diffusion UI.cmd
index 7f7d0539..231a6c3d 100644
--- a/scripts/Start Stable Diffusion UI.cmd	
+++ b/scripts/Start Stable Diffusion UI.cmd	
@@ -1,5 +1,6 @@
 @echo off
 
+cd /d %~dp0
 set PATH=C:\Windows\System32;%PATH%
 
 @rem set legacy installer's PATH, if it exists
diff --git a/scripts/bootstrap.bat b/scripts/bootstrap.bat
index 27004ca2..e334deb9 100644
--- a/scripts/bootstrap.bat
+++ b/scripts/bootstrap.bat
@@ -37,6 +37,12 @@ if "%PACKAGES_TO_INSTALL%" NEQ "" (
         mkdir "%MAMBA_ROOT_PREFIX%"
         call curl -L "%MICROMAMBA_DOWNLOAD_URL%" > "%MAMBA_ROOT_PREFIX%\micromamba.exe"
 
+	if "%ERRORLEVEL%" NEQ "0" (
+	    echo "There was a problem downloading micromamba. Cannot continue."
+	    pause
+	    exit /b
+	)
+
         @rem test the mamba binary
         echo Micromamba version:
         call "%MAMBA_ROOT_PREFIX%\micromamba.exe" --version
diff --git a/scripts/on_sd_start.bat b/scripts/on_sd_start.bat
index 3b7ed0ca..b82d48dd 100644
--- a/scripts/on_sd_start.bat
+++ b/scripts/on_sd_start.bat
@@ -343,6 +343,9 @@ call python --version
 @set SD_UI_PATH=%cd%\ui
 @cd stable-diffusion
 
-@uvicorn server:app --app-dir "%SD_UI_PATH%" --port 9000 --host 0.0.0.0
+@if NOT DEFINED SD_UI_BIND_PORT set SD_UI_BIND_PORT=9000
+@if NOT DEFINED SD_UI_BIND_IP set SD_UI_BIND_PORT=0.0.0.0
+@uvicorn server:app --app-dir "%SD_UI_PATH%" --port %SD_UI_BIND_PORT% --host %SD_UI_BIND_IP%
+
 
 @pause
diff --git a/scripts/on_sd_start.sh b/scripts/on_sd_start.sh
index a5c6c8d4..da0f2357 100755
--- a/scripts/on_sd_start.sh
+++ b/scripts/on_sd_start.sh
@@ -283,6 +283,6 @@ cd ..
 export SD_UI_PATH=`pwd`/ui
 cd stable-diffusion
 
-uvicorn server:app --app-dir "$SD_UI_PATH" --port ${SDUI_BIND_PORT:-9000} --host ${SDUI_BIND_IP:-0.0.0.0}
+uvicorn server:app --app-dir "$SD_UI_PATH" --port ${SD_UI_BIND_PORT:-9000} --host ${SD_UI_BIND_IP:-0.0.0.0}
 
 read -p "Press any key to continue"