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  • How to fix missing browser data issue

How to fix missing browser data issue

Written by Yelena V ( Updated on February 24th, 2025 )

Updated on February 24th, 2025

Multilogin stores all kinds of data in your browser profiles – cookies, history, passwords, bookmarks, and more.

Here’s how it works:

  • When you stop a profile, your session data is saved either on the cloud or your device, depending on the storage type you chose (learn more in our article Cloud and local storage)
  • When you start a profile, your data is downloaded back into it

Heads up: if these processes are interrupted, your data might get lost. This article covers what causes these interruptions, how to fix them, and tips to keep your data safe.

Check storage type

  • ☁️ If your profile uses cloud storage, all your data will be accessible every time you launch the profile, even on multiple devices.
  • 💻 If your profile uses local storage, your data will only be available on the device where you first launched the profile.

Avoid launching the same profile on multiple devices simultaneously – it can cause syncing issues and even data loss. Stick to one device per profile to keep everything running smoothly!

 

Sync data

When stopping a profile, make sure to:

  1. Wait for the loading icon to disappear
  2. Look for the "Profile data saved" pop-up confirmation

Pro tip: don’t quit the app without properly stopping and saving each profile. It’s the best way to prevent data loss!

 

Check 3rd-party apps

3rd-party apps

Apps like antivirus programs, firewalls, VPNs, or proxy tools (for example, Proxifier, SocksEscort) can interfere with Multilogin.

Here are some quick fixes:

  • Uninstall these apps
  • If you do need them, disable the apps temporarily or add Multilogin to their whitelist in the settings

This should help resolve the issue and keep everything running smoothly!

How to resolve conflicts with 3rd-party apps on Windows

Antivirus apps

  1. Go to “Settings” → “Privacy & security” → “Windows Security” → “Virus & threat protection”
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  1. Choose “Manage settings” and then turn off all the parameters in the displayed window
 
 

Firewalls

  1. Go to “Settings” → “Privacy & security” → “Windows Security” → “Firewall & network protection”
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  1. Turn off all the parameters in the displayed window
 
 

VPNs

Uninstall VPN applications:

  1. Open “Control Panel” →” Programs” → “Programs and Features”
  2. Right-click the VPN applications → “Uninstall”
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Disable VPN applications: open the menu in the task bar → right-click the VPN apps → click “Quit” 

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Turn off VPN extensions in browser: don't forget to check and turn off VPN extensions that you installed in your browser, for example, Chrome:

 
 

How to resolve conflicts with 3rd-party apps on macOS

macOS security system

If the application got restricted from the macOS security system, you can access it by the following way:

  1. Open “System Settings” → “Privacy & Security” → “Security”
  2. Click “Open anyway” for the apps

It is also recommended to change “Allow applications from” value to “App Store & Known Developers”.

 
Zight 2025-2-8 at 10.32.54 AM
 
 

Antivirus apps

  1. Go to “Finder” → “Go” → “Application”
  2. Right click the antivirus apps → “Move to Trash/ Move to Bin”
Zight 2025-2-8 at 2.03.24 PM

Some antivirus software for macOS has their own uninstallation tool (e.g., Kaspersky and Avast). 

 
 
 

Firewalls

  1. Open “Apple menu” → “System Preferences” → “Security & Privacy”
  2. Go to the “Firewall” tab and click “Turn off Firewall”
 
 

VPNs

Uninstall VPN applications:

  1. Go to “Finder” → “Go” → “Application”
  2. Right-click the VPN apps → “Move to Trash/ Move to Bin”
Zight 2025-2-8 at 2.03.24 PM

Disable VPN applications: right-click the VPN apps on the menu bar → choose “Quit <name of app>”. 

Turn off VPN extensions in browser: don't forget to check and turn off VPN extensions that you installed in your browser, for example Safari:

  1. Choose “Safari” → “Settings” (or “Preferences”) → click “Extensions”
  2. To turn off an extension, deselect its checkbox
 
 

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. 

Refresh components

Deps

This action is completely safe! It refreshes the app components needed for Multilogin to work smoothly. No data will be lost during the process, so you're good to go! 😊

 

Avoid deleting the mlx folder, as this may result in a complete or partial data loss. 

 
  1. Disconnect the agent
  2. Go to the mlx folder:
    1. Windows: C:\Users\%username%\mlx
    2. macOS: /Users/%username%/mlx
    3. Linux: /home/%username%/mlx
  3. Delete the deps folder
  4. Connect the agent to get things rolling
  5. Start any profile – this will automatically kick off the components download process
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Nothing helps?

If you’re still experiencing data loss after trying everything in this article, send us your logs. We’ll investigate and get to the bottom of it for you!

Logs

  1. Recreate the issue or wait until the error message appears
  2. Archive the logs folder found in these locations:
    1. Windows: C:\Users\%username%\mlx
    2. macOS: /Users/%username%/mlx
    3. Linux: /home/%username%/mlx
  3. Email support at [email protected] with:
    1. A clear description of the issue
    2. The archived logs folder attached
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data loss data saving how to save data sysncing issue data is lost

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In this article

  • Check storage type
  • Sync data
  • Check 3rd-party apps
  • Check the ISP
  • Refresh components
  • Nothing helps?

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  • ANTIDETECT PLATFORM

    • Antidetect browser
    • Mobile antidetect browser
    • Headless browser
    • Multilogin residential proxies
    • Multi-account management
    • Web automation
  • RESOURCES

    • Knowledge base
    • API documentation
    • Glossary
    • Blog
    • Multilogin 6 download
    • Server status
    • Release notes
  • MULTI-ACCOUNT MANAGEMENT

    • Create multiple Facebook accounts
    • Create multiple LinkedIn accounts
    • Create multiple Amazon accounts
    • Create multiple eBay accounts
    • Create multiple Gmail accounts
    • Create multiple Discord accounts
  • COMPARISON

    • Multilogin vs. Gologin
    • Multilogin vs. Adspower
    • Multilogin vs. Dolphin Anty
    • Multilogin vs. Incognition
    • Multilogin vs. Octo Browser
  • PLATFORM PROXIES

    • Google proxy
    • Facebook proxy
    • Reddit proxy
    • Twitter proxy
    • Amazon proxy
    • LinkedIn proxy
  • GEO PROXIES

    • Japan proxy
    • UK proxy
    • USA proxy
    • China proxy
    • Canada proxy
    • India proxy
  • GET IN TOUCH

    • 24/7 support: [email protected]
    • Contact sales
    • Affiliate program
    • Careers
Multilogin abstract watermark
  • Privacy policy
  • Terms of service
  • Cookie policy

© 2025 Multilogin. All rights reserved.

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