Fix "Restart Blender" button for Microsoft Store Blender #5582

src/bonsai/bonsai/bim/module/debug/operator.py

@@ -923,7 +923,14 @@ class RestartBlender(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        import os
+        ms_store_app_id = tool.Blender.get_microsoft_store_app_id()
-
+        if not ms_store_app_id:
-        path = bpy.app.binary_path
+            path = bpy.app.binary_path
-        os.execv(path, sys.argv)
+            os.execv(path, sys.argv)
+        else:
+            # Microsoft apps do not allow launching blender.exe directly
+            # since Blender folder is kind of private.
+            cmd_exe = Path(os.environ["SystemRoot"]) / "system32" / "cmd.exe"
+            blender_app = f"shell:AppsFolder\\BlenderFoundation.Blender_{ms_store_app_id}!BLENDER"
+            cmd_args = ["/c", "start", blender_app] + sys.argv[1:]
+            os.execv(cmd_exe, cmd_args)

src/bonsai/bonsai/tool/blender.py

@@ -1272,3 +1272,17 @@ class Blender(bonsai.core.tool.Blender):
 
         obj, path = path_resolve(bpy_object, prop_path)
         setattr(obj, path, value)
+
+    @classmethod
+    def get_microsoft_store_app_id(cls) -> Union[str, None]:
+        """Get Microsoft Store app ID for current Blender instance.
+
+        :return: `None` if Blender is installed not from Microsoft Store (possibly using non-Windows platform).
+            Otherwise return app ID string (e.g. 'ppwjx1n5r4v9t').
+        """
+        if os.name != "nt":
+            return None
+        blender_binary_path = Path(bpy.app.binary_path)
+        if len(blender_binary_path.parents) > 3 and blender_binary_path.parents[2].name == "WindowsApps":
+            return blender_binary_path.parents[1].name.rsplit("__", 1)[-1]
+        return None