diff --git a/Troubleshooting.md b/Troubleshooting.md
index 315ec273..cab1783e 100644
--- a/Troubleshooting.md
+++ b/Troubleshooting.md
@@ -16,6 +16,9 @@ This error can also be caused if you already have conda/miniconda/anaconda insta
 
 If nothing works, this could be due to a corrupted installation. Please try reinstalling this, by deleting the installed folder, and unzipping from the downloaded zip file.
 
+## Killed uvicorn server:app --app-dir ... --port 9000 --host 0.0.0.0
+This happens if your PC ran out of RAM. Stable Diffusion requires a lot of RAM, and requires atleast 10 GB of RAM to work well. You can also try closing all other applications before running Stable Diffusion UI.
+
 ## Green image generated
 This usually happens if you're running NVIDIA 1650 or 1660 Super. To solve this, please close and run the Stable Diffusion command on your computer. If you're using the older Docker-based solution (v1), please upgrade to v2: https://github.com/cmdr2/stable-diffusion-ui/tree/v2#installation
 
diff --git a/scripts/on_sd_start.bat b/scripts/on_sd_start.bat
index d788b497..526793fe 100644
--- a/scripts/on_sd_start.bat
+++ b/scripts/on_sd_start.bat
@@ -62,6 +62,12 @@
 
     @call conda activate .\env
 
+    @call conda install -c conda-forge -y --prefix env antlr4-python3-runtime=4.8 || (
+        @echo. & echo "Error installing antlr4-python3-runtime for Stable Diffusion. Sorry about that, please try to:" & echo "  1. Run this installer again." & echo "  2. If that doesn't fix it, please try the common troubleshooting steps at https://github.com/cmdr2/stable-diffusion-ui/blob/main/Troubleshooting.md" & echo "  3. If those steps don't help, please copy *all* the error messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB" & echo "  4. If that doesn't solve the problem, please file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues" & echo "Thanks!" & echo.
+        pause
+        exit /b
+    )
+
     for /f "tokens=*" %%a in ('python -c "import torch; import ldm; import transformers; import numpy; import antlr4; print(42)"') do if "%%a" NEQ "42" (
         @echo. & echo "Dependency test failed! Error installing the packages necessary for Stable Diffusion. Sorry about that, please try to:" & echo "  1. Run this installer again." & echo "  2. If that doesn't fix it, please try the common troubleshooting steps at https://github.com/cmdr2/stable-diffusion-ui/blob/main/Troubleshooting.md" & echo "  3. If those steps don't help, please copy *all* the error messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB" & echo "  4. If that doesn't solve the problem, please file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues" & echo "Thanks!" & echo.
         pause
diff --git a/scripts/on_sd_start.sh b/scripts/on_sd_start.sh
index ea543f5d..8de85925 100755
--- a/scripts/on_sd_start.sh
+++ b/scripts/on_sd_start.sh
@@ -63,6 +63,14 @@ else
 
     conda activate ./env
 
+    if conda install -c conda-forge --prefix ./env -y antlr4-python3-runtime=4.8 ; then
+        echo "Installed. Testing.."
+    else
+        printf "\n\nError installing antlr4-python3-runtime for Stable Diffusion. Sorry about that, please try to:\n  1. Run this installer again.\n  2. If that doesn't fix it, please try the common troubleshooting steps at https://github.com/cmdr2/stable-diffusion-ui/blob/main/Troubleshooting.md\n  3. If those steps don't help, please copy *all* the error messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB\n  4. If that doesn't solve the problem, please file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues\nThanks!\n\n"
+        read -p "Press any key to continue"
+        exit
+    fi
+
     out_test=`python -c "import torch; import ldm; import transformers; import numpy; import antlr4; print(42)"`
     if [ "$out_test" != "42" ]; then
         printf "\n\nDependency test failed! Error installing the packages necessary for Stable Diffusion. Sorry about that, please try to:\n  1. Run this installer again.\n  2. If that doesn't fix it, please try the common troubleshooting steps at https://github.com/cmdr2/stable-diffusion-ui/blob/main/Troubleshooting.md\n  3. If those steps don't help, please copy *all* the error messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB\n  4. If that doesn't solve the problem, please file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues\nThanks!\n\n"