diff --git a/ZelBack/src/services/appsService.js b/ZelBack/src/services/appsService.js
index ad732efd3..d2c008317 100644
--- a/ZelBack/src/services/appsService.js
+++ b/ZelBack/src/services/appsService.js
@@ -9714,7 +9714,7 @@ async function checkInstallingAppPortAvailable(portsToTest = []) {
       }
       if ((userconfig.initial.apiport && userconfig.initial.apiport !== config.server.apiport) || isUPNP) {
         // eslint-disable-next-line no-await-in-loop
-        await upnpService.mapUpnpPort(portToTest, 'Flux_Test_App');
+        await upnpService.mapUpnpPort(portToTest, `Flux_Prelaunch_App_${portToTest}`);
       }
       const beforeAppInstallTestingExpress = express();
       const beforeAppInstallTestingServer = http.createServer(beforeAppInstallTestingExpress);
@@ -9961,23 +9961,24 @@ async function checkForNonAllowedAppsOnLocalNetwork() {
         if (logs.toLowerCase().includes('duplicate ip: this ip address is already running another node')) {
           log.error('Another PresearchNode was detected running on your local network.');
           // dosDuplicateAppMessage = 'Another PresearchNode was detected running on your local network.';
-          // break;
+          break;
         }
       }
     }
     if (dosDuplicateAppMessage) {
       setTimeout(() => {
         checkForNonAllowedAppsOnLocalNetwork();
-      }, 5 * 60 * 1000);
+      }, 60 * 60 * 1000);
+    } else {
+      setTimeout(() => {
+        checkForNonAllowedAppsOnLocalNetwork();
+      }, 12 * 60 * 60 * 1000);
     }
-    setTimeout(() => {
-      checkForNonAllowedAppsOnLocalNetwork();
-    }, 12 * 60 * 60 * 1000);
   } catch (error) {
     log.error(error);
     setTimeout(() => {
       checkForNonAllowedAppsOnLocalNetwork();
-    }, 5 * 60 * 1000);
+    }, 60 * 60 * 1000);
   }
 }
 
diff --git a/ZelBack/src/services/idService.js b/ZelBack/src/services/idService.js
index 79dc0158b..cac3afb5f 100644
--- a/ZelBack/src/services/idService.js
+++ b/ZelBack/src/services/idService.js
@@ -94,6 +94,7 @@ async function confirmNodeTierHardware() {
  * @param {object} res Response.
  * @returns {void} Return statement is only used here to interrupt the function and nothing is returned.
  */
+let firstLoginPhraseExecution = true;
 async function loginPhrase(req, res) {
   try {
     // check db
@@ -105,17 +106,16 @@ async function loginPhrase(req, res) {
     await dbHelper.findOneInDatabase(database, collection, query, projection); // fast find call for db test
 
     // check synthing availability
-    const syncthingDeviceID = await syncthingService.getDeviceID();
-    if (syncthingDeviceID.status === 'error') {
+    if (!syncthingService.isRunning() && !firstLoginPhraseExecution) {
       if (syncthingWorking) {
         syncthingWorking = false;
-        syncthingService.systemRestart();
       } else {
         throw new Error('Syncthing is not running properly');
       }
     } else {
       syncthingWorking = true;
     }
+    firstLoginPhraseExecution = false;
     // check docker availablility
     await dockerService.dockerListImages();
     // check Node Hardware Requirements are ok.
diff --git a/ZelBack/src/services/syncthingService.js b/ZelBack/src/services/syncthingService.js
index b106551eb..d4cfa115e 100644
--- a/ZelBack/src/services/syncthingService.js
+++ b/ZelBack/src/services/syncthingService.js
@@ -1911,6 +1911,7 @@ async function getSvcReport(req, res) {
  * @param {object} res Response.
  * @returns {object} Message
  */
+let syncthingStatusOk = false;
 async function getDeviceID(req, res) {
   try {
     const meta = await getMeta();
@@ -1929,6 +1930,7 @@ async function getDeviceID(req, res) {
       const deviceObject = JSON.parse(adjustedString);
       const { deviceID } = deviceObject;
       const successResponse = messageHelper.createDataMessage(deviceID);
+      syncthingStatusOk = true;
       return res ? res.json(successResponse) : successResponse;
     }
     log.info(meta.status);
@@ -1936,6 +1938,7 @@ async function getDeviceID(req, res) {
     log.info(healthy.data);
     throw new Error('Syncthing is not running properly');
   } catch (error) {
+    syncthingStatusOk = false;
     log.error(error);
     const errorResponse = messageHelper.createErrorMessage(error.message, error.name, error.code);
     return res ? res.json(errorResponse) : errorResponse;
@@ -1943,12 +1946,36 @@ async function getDeviceID(req, res) {
 }
 
 /**
- * To install Syncthing
+ * Returns if syncthing service is running ok
+ * @returns {boolean} True if getDeviceID last execution was successful
  */
+function isRunning() {
+  return syncthingStatusOk;
+}
+
+/**
+ * Check if Synchtng is installed and if not install it
+ */
+let syncthingInstalled = false;
 async function installSyncthing() { // can throw
-  const nodedpath = path.join(__dirname, '../../../helpers');
-  const exec = `cd ${nodedpath} && bash installSyncthing.sh`;
-  await cmdAsync(exec);
+  // check if syncthing is installed or not
+  log.info('Checking if Syncthing is installed...');
+  const execIsInstalled = 'syncthing --version';
+  let isInstalled = true;
+  await cmdAsync(execIsInstalled).catch((error) => {
+    if (error) {
+      log.error(error);
+      log.info('Syncthing not installed....');
+      isInstalled = false;
+    }
+  });
+  if (!isInstalled) {
+    log.info('Installing Syncthing...');
+    const nodedpath = path.join(__dirname, '../../../helpers');
+    const exec = `cd ${nodedpath} && bash installSyncthing.sh`;
+    await cmdAsync(exec);
+  }
+  syncthingInstalled = true;
   log.info('Syncthing installed');
 }
 
@@ -1956,18 +1983,26 @@ async function installSyncthing() { // can throw
  * To Start Syncthing
  */
 let previousSyncthingErrored = false;
+let lastGetDeviceIdCallOk = false;
 async function startSyncthing() {
   try {
+    if (!syncthingInstalled) {
+      await installSyncthing();
+      await serviceHelper.delay(10 * 1000);
+      startSyncthing();
+    }
     // check wether syncthing is running or not
     const myDevice = await getDeviceID();
     if (myDevice.status === 'error') {
       // retry before killing and restarting
-      if (previousSyncthingErrored === false) {
+      if (!previousSyncthingErrored && lastGetDeviceIdCallOk) {
         await systemRestart();
+        lastGetDeviceIdCallOk = false;
         previousSyncthingErrored = true;
         await serviceHelper.delay(60 * 1000);
         startSyncthing();
       }
+      lastGetDeviceIdCallOk = false;
       previousSyncthingErrored = false;
       log.error('Syncthing Error');
       log.error(myDevice);
@@ -1983,23 +2018,18 @@ async function startSyncthing() {
       await serviceHelper.delay(10 * 1000);
       await cmdAsync(execKill).catch((error) => log.error(error));
       await cmdAsync(execKillB).catch((error) => log.error(error));
-      const exec = 'sudo nohup syncthing --allow-newer-config --no-browser --home=$HOME/.config/syncthing &';
+      const exec = 'sudo nohup syncthing -logfile $HOME/.config/syncthing/syncthing.log --allow-newer-config --no-browser --home=$HOME/.config/syncthing &';
       log.info('Spawning Syncthing instance...');
-      let errored = false;
       nodecmd.get(exec, async (err) => {
         if (err) {
-          errored = true;
           log.error(err);
-          log.info('Syncthing is not installed, proceeding with installation');
+          log.info('Error starting synchting.');
         }
       });
-      await serviceHelper.delay(30 * 1000);
-      if (errored) {
-        await installSyncthing();
-        await serviceHelper.delay(60 * 1000);
-      }
+      await serviceHelper.delay(60 * 1000);
       startSyncthing();
     } else {
+      lastGetDeviceIdCallOk = true;
       const currentConfigOptions = await getConfigOptions();
       const currentDefaultsFolderOptions = await getConfigDefaultsFolder();
       const apiPort = userconfig.initial.apiport || config.server.apiport;
@@ -2058,6 +2088,11 @@ async function startSyncthing() {
   }
 }
 
+// test helper
+function setSyncthingRunningState(value) {
+  syncthingStatusOk = value;
+}
+
 module.exports = {
   startSyncthing,
   getDeviceID,
@@ -2145,4 +2180,8 @@ module.exports = {
   // helpers
   adjustConfigFolders,
   adjustConfigDevices,
+  // status
+  isRunning,
+  // test
+  setSyncthingRunningState,
 };
diff --git a/package.json b/package.json
index 45f4aa81e..805898b24 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "flux",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "description": "Flux, Your Gateway to a Decentralized World",
   "repository": {
     "type": "git",
diff --git a/tests/ZelBack/apiTests.js b/tests/ZelBack/apiTests.js
index 6e1a61311..c6e1aeb29 100644
--- a/tests/ZelBack/apiTests.js
+++ b/tests/ZelBack/apiTests.js
@@ -5,6 +5,7 @@ const chai = require('chai');
 const app = require('../../ZelBack/src/lib/server');
 const log = require('../../ZelBack/src/lib/log');
 const dbHelper = require('../../ZelBack/src/services/dbHelper');
+const syncthingService = require('../../ZelBack/src/services/syncthingService');
 
 const packageJson = require('../../package.json');
 
@@ -43,6 +44,7 @@ describe('loading express', () => {
       .expect(404, done);
   });
   it('/id/loginphrase', (done) => {
+    syncthingService.setSyncthingRunningState(true);
     request(server)
       .get('/id/loginphrase')
       .expect(200)
diff --git a/tests/unit/idService.test.js b/tests/unit/idService.test.js
index 8cb86f709..48cce6ab8 100644
--- a/tests/unit/idService.test.js
+++ b/tests/unit/idService.test.js
@@ -13,6 +13,7 @@ const serviceHelper = require('../../ZelBack/src/services/serviceHelper');
 const generalService = require('../../ZelBack/src/services/generalService');
 const dockerService = require('../../ZelBack/src/services/dockerService');
 const fluxNetworkHelper = require('../../ZelBack/src/services/fluxNetworkHelper');
+const syncthingService = require('../../ZelBack/src/services/syncthingService');
 
 const adminConfig = {
   fluxTeamZelId: '1zasdfg',
@@ -272,6 +273,7 @@ describe('idService tests', () => {
       tierStub = sinon.stub(generalService, 'nodeTier');
       collateralStub = sinon.stub(generalService, 'nodeCollateral');
       getDOSStateStub = sinon.stub(fluxNetworkHelper, 'getDOSState');
+      syncthingService.setSyncthingRunningState(true);
       // only checks for docker availablity
       sinon.stub(dockerService, 'dockerListImages').returns(true);
     });