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Multilogin X
Multilogin 6
How to fix agent connection issues
Written by Yelena Varabyeva
Updated on February 14th, 2025
Table of contents
Having trouble with connecting the agent?
We’ve got you covered! Here are some quick fixes to try:
- Check system requirements
- Check 3rd-party apps
- Check the ISP
- Check the browser version and extensions
- Stop related processes
- Delete the .lock files
- Check the ports
- Restart the device
Let's dive into these troubleshooting steps together and get things back on track.
Learn how to connect, disconnect, uninstall the agent and check its version in this article.
Check system requirements
System specs
Multilogin doesn’t support older operating systems like:
- macOS versions before Sonoma 14
- Windows versions before 10
- Linux versions before Ubuntu 20
What to do:
Make sure your system meets the minimum requirements. You can quickly check the hardware and software specs in the article Will Multilogin X work on your device? Stay updated to avoid compatibility issues! 💻
Check 3rd-party apps
Multilogin agent has been thoroughly certified and verified as safe and trustworthy. Sometimes, though, antivirus or firewall software can mistakenly flag legitimate apps like this as threats – but we promise it’s not malicious.
How to fix it:
- Disable or whitelist the agent in your antivirus or firewall settings
- Turn off VPNs or proxy tools like Proxifier and SocksEscort, as they may block Multilogin connections
Check the ISP
ISP
Sometimes, internet service providers (ISPs) block proxy providers or even Multilogin itself. Here’s how to test and work around it:
- Try connecting through a VPN: this can bypass ISP restrictions
- Switch networks: use a different Wi-Fi, or turn your phone into a hotspot with mobile data
- Check your speed: if your current ISP is slow, changing networks might also improve performance.
If the issue resolves with these steps, it’s likely your ISP causing the trouble.
Check the browser
Still having issues? Try this:
- Switch browsers or use incognito mode: connect the agent through a different browser or open your current browser in incognito mode
- Update your browser: if the connection works in another browser or incognito, update your original browser to the latest version
- Check for interfering extensions: review your browser extensions and disable any that might block or disrupt your network connections
Stop related processes
It's a good idea to terminate agent-related processes. Here's why:
- Reset stuck processes: sometimes the agent or launcher freezes or gets stuck in a loop
- Fix resource conflicts: too many running instances can cause crashes or slowdowns
- Solve update issues: old processes might mess with recent updates or installations
- Clear glitches: stopping processes clears memory and fixes temporary bugs
Depending on your operating system, open Task Manager (Windows), Activity Monitor (macOS), or System Monitor (Linux) and terminate both the agent and the launcher processes.
Windows
macOS
Linux
Go to System monitor, select both processes below and click “End process”:
Once stopped, you can restart Multilogin for a clean, error-free session! 💻
Delete .lock files
.lock files are temporary files apps make to show a file or resource is in use. Here's why you can delete them:
- Fix stuck apps: if an app crashes, leftover .lock files can trick the system into thinking it’s still running
- Stop errors: these files might block your app from starting or working properly
- Clear update problems: if an update or sync gets interrupted, .lock files can block future attempts
Windows
- Go to the mlx folder: C:\Users\%username%\mlx
- Delete all the
.lockfiles
macOS
- Go to the mlx folder:
/Users/%username%/mlx - Delete all the
.lockfiles
Deleting .lock files is like hitting reset – it clears up the mess and lets your app run smoothly again!
Check the ports
A busy port can be the culprit. And this is why:
- Port already in use: another process (or another agent instance) might be using the expected port
- Port conflicts: if the default port (45000) is taken, the agent will try the next available ones
What to do:
Make sure there’s no conflict with ports starting from 45000 so the agent can run without issues!
Windows
- Open the Command prompt (press
Win + R, typecmd, and pressEnter) - Run the command
netstat -ano | findstr :45000 - Identify the PID (Process ID) associated with the processes running on port 45000
If this command doesn't return any processes, it means the port is not in use and the issue is caused by something else. Skip to the next step.
- To terminate a process, run the command
taskkill /F /PID {PID of the process}.
Make sure to replace "{PID of the process}" with the actual PID you got in step 3. Repeat the steps for ports 45001, 45002, etc, if needed.
macOS and Linux
- Open the Terminal
- macOS: Press
Command + Space, type "Terminal", and press Enter - Linux: Press
Ctrl + Alt + T
- macOS: Press
- Run the command
lsof -i :45000 - Look for the PID (Process ID) associated with the processes you want to terminate.
If this command doesn't return any processes, it means the port is not in use and the issue is caused by something else. Skip to the next step.
- To terminate a process, run the command
kill -9 {PID of the process}
Make sure to replace "{PID of the process}" with the actual PID you obtained in step 3. Repeat the steps for ports 45001, 45002, etc, if needed.
Restart the device
Sometimes, a fresh start works wonders. If the steps above didn't do the trick, try giving your device a quick restart and then go ahead with the agent connection steps again.
Nothing helps?
If the issue persists, send us your log files, and we will investigate it further for you.
Logs
- Recreate the issue or wait until the error message appears
- Archive the logs folder found in these locations:
- Windows:
C:\Users\%username%\mlx - macOS:
/Users/%username%/mlx - Linux:
/home/%username%/mlx
- Windows:
- Email support at [email protected] with:
- A clear description of the issue
- The archived logs folder attached