diff --git a/scripts/smart-install.js b/scripts/smart-install.js
index e238345d..77cfee11 100644
--- a/scripts/smart-install.js
+++ b/scripts/smart-install.js
@@ -264,14 +264,18 @@ async function main() {
       // Try to start the PM2 worker after fresh install
       try {
         log('🚀 Starting worker service...', colors.cyan);
-        const localPm2 = join(NODE_MODULES_PATH, '.bin', 'pm2');
-        const pm2Command = existsSync(localPm2) ? localPm2 : 'pm2';
+        // On Windows, PM2 executable is pm2.cmd, not pm2
+        const localPm2Base = join(NODE_MODULES_PATH, '.bin', 'pm2');
+        const localPm2Cmd = process.platform === 'win32' ? localPm2Base + '.cmd' : localPm2Base;
+        const pm2Command = existsSync(localPm2Cmd) ? localPm2Cmd : 'pm2';
         const ecosystemPath = join(PLUGIN_ROOT, 'ecosystem.config.cjs');
 
+        // shell: true required for Windows to handle quoted paths correctly
         execSync(`"${pm2Command}" start "${ecosystemPath}"`, {
           cwd: PLUGIN_ROOT,
           stdio: 'pipe',
-          encoding: 'utf-8'
+          encoding: 'utf-8',
+          shell: true
         });
 
         log('✅ Worker service started', colors.green);
diff --git a/src/shared/worker-utils.ts b/src/shared/worker-utils.ts
index f471390e..7b8d0e49 100644
--- a/src/shared/worker-utils.ts
+++ b/src/shared/worker-utils.ts
@@ -56,15 +56,19 @@ async function startWorker(): Promise<boolean> {
     }
 
     // Try to use local PM2 from node_modules first, fall back to global PM2
-    const localPm2 = path.join(pluginRoot, 'node_modules', '.bin', 'pm2');
-    const pm2Command = existsSync(localPm2) ? localPm2 : 'pm2';
+    // On Windows, PM2 executable is pm2.cmd, not pm2
+    const localPm2Base = path.join(pluginRoot, 'node_modules', '.bin', 'pm2');
+    const localPm2Cmd = process.platform === 'win32' ? localPm2Base + '.cmd' : localPm2Base;
+    const pm2Command = existsSync(localPm2Cmd) ? localPm2Cmd : 'pm2';
 
     // Start using PM2 with the ecosystem config
     // CRITICAL: Must set cwd to pluginRoot so PM2 starts from marketplace directory
+    // shell: true required for Windows to handle quoted paths correctly
     execSync(`"${pm2Command}" start "${ecosystemPath}"`, {
       cwd: pluginRoot,
       stdio: 'pipe',
-      encoding: 'utf-8'
+      encoding: 'utf-8',
+      shell: true
     });
 
     // Wait for worker to become healthy