diff --git a/ethereum_clients/ControlledProcess.js b/ethereum_clients/ControlledProcess.js
index 7b1aac39..67be9798 100644
--- a/ethereum_clients/ControlledProcess.js
+++ b/ethereum_clients/ControlledProcess.js
@@ -161,8 +161,6 @@ class ControlledProcess extends EventEmitter {
   }
   stop() {
     return new Promise((resolve, reject) => {
-      this.removeStateListeners()
-
       // FIXME kill IPC ? or is it indirectly closed: onIpcEnd
       if (!this.proc || !this.isRunning) {
         resolve(this)
diff --git a/ethereum_clients/Plugin.js b/ethereum_clients/Plugin.js
index a56d8c0a..83adeef2 100644
--- a/ethereum_clients/Plugin.js
+++ b/ethereum_clients/Plugin.js
@@ -265,6 +265,7 @@ class Plugin extends EventEmitter {
     console.log(
       `Plugin ${this.name} (${packagePath}) about to start. Binary: ${binaryPath}`
     )
+
     try {
       this.process = new ControlledProcess(
         binaryPath,
@@ -274,8 +275,10 @@ class Plugin extends EventEmitter {
       this.registerEventListeners(this.process, this)
       await this.process.start(flags)
     } catch (error) {
-      console.log('error start', error)
+      console.log(`Plugin Start Error: ${error}`)
+      throw new Error(`Plugin Start Error: ${error}`)
     }
+
     return this.process
   }
   async stop() {
diff --git a/yarn.lock b/yarn.lock
index 07937f19..fc5579c9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -396,10 +396,10 @@
     universal-user-agent "^2.0.0"
     url-template "^2.0.8"
 
-"@philipplgh/electron-app-manager@^0.50.0":
-  version "0.50.0"
-  resolved "https://registry.yarnpkg.com/@philipplgh/electron-app-manager/-/electron-app-manager-0.50.0.tgz#8a69083a55ccf7ad1cf241a1630253380bcbc003"
-  integrity sha512-ZVYez5UKGeAj2roeif0EZI8KphrvGRrDR/sgxWYphfqKZnXA7igmcKk9qYhKhD6HwC5SMjM1fOwnV18Hm7I8nQ==
+"@philipplgh/electron-app-manager@^0.51.0":
+  version "0.51.0"
+  resolved "https://registry.yarnpkg.com/@philipplgh/electron-app-manager/-/electron-app-manager-0.51.0.tgz#a93494eaa04cf99dc534591d580398230d81e0cc"
+  integrity sha512-aFYg9i+GJ/o9sM18w/kqYeqGR1dojdcymwYRhXNgoBdua1phj23ZM1h9+VHZPX3WtOvIN9XHmvET9h3p7mqhRQ==
   dependencies:
     "@octokit/rest" "^16.27.0"
     electron-updater "4.1.2"