diff --git a/packages/core/src/extension.ts b/packages/core/src/extension.ts
index 3a7553b..f9d1be5 100644
--- a/packages/core/src/extension.ts
+++ b/packages/core/src/extension.ts
@@ -13,13 +13,15 @@ function findManifests(dir: string): string[] {
   const path = requireImport("path");
   const ret = [];
 
-  for (const file of fs.readdirSync(dir)) {
-    if (file === "manifest.json") {
-      ret.push(path.join(dir, file));
-    }
+  if (fs.existsSync(dir)) {
+    for (const file of fs.readdirSync(dir)) {
+      if (file === "manifest.json") {
+        ret.push(path.join(dir, file));
+      }
 
-    if (fs.statSync(path.join(dir, file)).isDirectory()) {
-      ret.push(...findManifests(path.join(dir, file)));
+      if (fs.statSync(path.join(dir, file)).isDirectory()) {
+        ret.push(...findManifests(path.join(dir, file)));
+      }
     }
   }
 
diff --git a/packages/core/src/patch.ts b/packages/core/src/patch.ts
index 3ba5ca0..f4bf3a2 100644
--- a/packages/core/src/patch.ts
+++ b/packages/core/src/patch.ts
@@ -148,12 +148,15 @@ function patchModules(entry: WebpackJsonpEntry[1]) {
         const wrapped =
           `(${moduleString}).apply(this, arguments)\n` +
           `//# sourceURL=Webpack-Module-${id}`;
-        entry[id] = new Function(
-          "module",
-          "exports",
-          "require",
-          wrapped
-        ) as WebpackModuleFunc;
+        entry[id] = wrapTry(
+          new Function(
+            "module",
+            "exports",
+            "require",
+            wrapped
+          ) as WebpackModuleFunc,
+          id
+        );
         entry[id].__moonlight = true;
       }
     }
@@ -198,6 +201,20 @@ function handleModuleDependencies() {
   webpackModules = new Set(sorted.map((x) => x.data));
 }
 
+function wrapTry(
+  fn: WebpackModuleFunc,
+  moduleName?: string
+): WebpackModuleFunc {
+  const tryFn: WebpackModuleFunc = function (module, exports, require) {
+    try {
+      return fn(module, exports, require);
+    } catch (e) {
+      logger.error("Failed to run Webpack module", moduleName, e);
+    }
+  };
+  return tryFn;
+}
+
 const injectedWpModules: IdentifiedWebpackModule[] = [];
 function injectModules(entry: WebpackJsonpEntry[1]) {
   const modules: Record<string, WebpackModuleFunc> = {};
@@ -246,7 +263,7 @@ function injectModules(entry: WebpackJsonpEntry[1]) {
 
       inject = true;
 
-      if (wpModule.run) modules[id] = wpModule.run;
+      if (wpModule.run) modules[id] = wrapTry(wpModule.run, id);
       if (wpModule.entrypoint) entrypoints.push(id);
     }
     if (!webpackModules.size) break;