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Troubleshooting kDrive issues (antivirus, firewall, etc.)

Update 06/01/2026

This guide explains how to troubleshoot access or usage issues with kDrive on Windows and macOS when third-party software may be interfering with your synchronization.

 

If you are experiencing a synchronization problem and missing folders, please refer to this other guide.

 

Introduction

  • The kDrive application may sometimes encounter interaction problems with Windows or macOS firewalls, as well as with software solutions for antivirus, VPN, or cleaning.
  • This can lead to the inability to synchronize files correctly, failure to open PDFs on the web, or the inability to use Lite Sync mode (on-demand files).
  • If you encounter a problem, you must authorize kDrive within these applications and whitelist three essential components:
    1. kdrive.exe (or kdrive.app on macOS)
    2. kdrive_client.exe
    3. The domain: *.infomaniakusercontent.com

 

Authorize kDrive on…

… macOS

  1. Open System Settings (or System Preferences).
  2. Click on Privacy & Security (or Security & Privacy).
  3. Select Firewall.
  4. Click the Firewall Options button (enter your administrator password if prompted).
  5. Click the Add Application (+) button.
  6. Select the kDrive application to allow incoming connections.
  7. Click Add and then OK.

… Windows

  1. Open the Start menu and click on Settings.
  2. In the search field, enter Firewall.
  3. Click on Allow an app through Windows Firewall.
  4. Click on the Change settings button.
  5. Check the boxes next to the kDrive applications (refer to the introduction).
  6. Check the boxes under the network type (private or public) and then click OK.

… Windows Defender

  1. Open Windows Security from the notification area.
  2. Select Virus & threat protection.
  3. Go to Manage settings.
  4. Scroll down to Exclusions and click Add or remove exclusions.
  5. Click Add an exclusion and add the kDrive files or folders (see introduction).

… Avast

  1. Open the Avast interface.
  2. Go to Menu > Settings.
  3. Under the General tab, click on Exceptions.
  4. Click Add exception and enter https://*.infomaniakusercontent.com/*
  5. Also go to File Paths to add the kDrive executable files.

An additional action to perform on Avast to prevent any blocking (especially when opening PDFs):

  1. Disable QUIC/HTTP3 scanning:

 

… AVG

  1. To exclude files from the executable (.exe … see the introduction above), refer to this other guide (step 5).

… Avira

  1. Right-click on the Avira icon and temporarily disable protection.
  2. Go to Configuration > PC Protection > Scan > Exceptions.
  3. Add the kDrive files (see the introduction).
  4. Repeat the operation in Real-time Protection > Exceptions.

… Bitdefender

  1. Go to Protection > Online Threat Prevention > Settings.
  2. Click on Manage exceptions.
  3. Add the domain *.infomaniakusercontent.com and check the online prevention option.
  4. If you are using the TrafficLight browser extension, also add this domain to its whitelist.
  5. To exclude files from the executable (.exe … see the introduction above), refer to this other guide.

… CCleaner

  1. Go to Options > Exclude.
  2. Click on Add and select the kDrive files or folders.

… CleanMyMac

  1. In the scan results screen, hold down the Ctrl key and click on the kDrive items.
  2. Select Add to exclusion list.

… ESET

  1. Open ESET and press F5 (Advanced settings).
  2. Go to Antivirus > Exclusions.
  3. Click on Add and enter the paths to kDrive.

… Kaspersky

To resolve kDrive file issues, exclude kdrive.infomaniak.com and *.infomaniakusercontent.com from the scan:

If the problem persists, uncheck the box (3) below:

… Malwarebytes

  1. Go to Settings > Exclusions.
  2. Click Add Exclusion and select the kDrive files.

… McAfee

  1. To exclude files from the executable (.exe … see the introduction above), refer to this other guide.

… Norton

  1. Go to Settings > Antivirus > Scans and Risks.
  2. In Exclusions / Low Risks, configure the "URLs to exclude from the scan".
  3. Add *.infomaniakusercontent.com.
  4. To exclude files from the executable (.exe … see the introduction above), refer to this other guide.

… NordVPN

Check within NordVPN, and more specifically in Threat Protection, the list of blocked files or activities to allow kDrive and the domain *infomaniakusercontent.com.


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