diff --git a/README.md b/README.md
index 2da0061..9860cc0 100644
--- a/README.md
+++ b/README.md
@@ -416,4 +416,5 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **04.02.25:** - Clean up Singletons if container is shut down while windows are open.
 * **25.04.24:** - Initial release.
diff --git a/readme-vars.yml b/readme-vars.yml
index 0b42569..1cae8a9 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -108,4 +108,5 @@ init_diagram: |
   "msedge:latest" <- Base Images
 # changelog
 changelogs:
+  - {date: "04.02.25:", desc: "Clean up Singletons if container is shut down while windows are open."}
   - {date: "25.04.24:", desc: "Initial release."}
diff --git a/root/usr/bin/microsoft-edge b/root/usr/bin/microsoft-edge
index 73c5f8a..31ef3c3 100755
--- a/root/usr/bin/microsoft-edge
+++ b/root/usr/bin/microsoft-edge
@@ -2,6 +2,11 @@
 
 BIN=/usr/bin/microsoft-edge-real
 
+# Cleanup
+if ! pgrep msedge > /dev/null;then
+  rm -f $HOME/.config/microsoft-edge/Singleton*
+fi
+
 # Run normally on privved containers or modified un non priv
 if grep -q 'Seccomp:.0' /proc/1/status; then
   ${BIN} \