Error During Synchronization

While using Logos, you may see an exclamation mark within the sync arrows with the following message when hovering over the sync arrows:

"An error occurred during synchronization."

This error occurs when Logos is unable to synchronize content like documents, notes, highlights, and reading plans with our servers. This is typically due to the lack of an internet connection or interference from a security application. Please use the steps below to troubleshoot the issue.

Tip: This article does not refer to software updates. If you're having trouble updating the software, please click here.

Solution 1: Check Your Internet Connection

If you are connecting through a Wireless Network, try moving closer to the router, or plugging directly in to the router to improve network performance. It's also a good idea to verify your network speeds. Go to Wifiman.com, and run a speed test. If you see less than >10mb/s and this is not expected consider troubleshooting your network hardware or call your Internet service provider.

Solution 2: Confirm Your Installation

Logos should automatically update to the latest version when you're connected to the internet. You can confirm you're using the latest version of Logos by re-running the installation software from www.logos.com/install

Solution 3: Repair Sync

Type sync repair in the Command box and select Sync Repair from the results.

Solution 4: Firewall & Security

There are security implementations that can prevent Logos from connecting to servers required for sync.

• Firewall or security software can prevent Logos from connecting to sync servers. Creating an exception for Logos can help prevent this from happening. How one does so can vary drastically between vendors, but you can find general instructions here.
• If you use the Windows Firewall click here for specific instructions.
• If you connect to the internet through a campus or office network, your connection may be blocked by a proxy. Please contact your network administrator for help bypassing your Proxy.

Solution 5: Disable or Bypass Internet Filters

Internet filtering software like "CyberSitter" or "Covenant Eyes" may interfere with Logos. Disabling it may resolve the issue. Contact the software vendor for help adding an exception for Logos if disabling it works.

Solution 6: Reset Network Hardware (Windows Only)

Your network card configuration might be preventing communication with our server If the previous solutions do not resolve the issue. Please try the following steps to reset your network card settings.

Windows 10/11:

1. Press Windows + R (the Windows key is in the bottom-left corner of the keyboard).
2. Type "$\text{cmd".}$
3.  Press Ctrl+$\text{Enter}$ and click OK.
4. Click "Yes".
5. At the prompt, type:
   netsh winsock reset
6. Tap the Enter key.
7. Restart the Computer.

Contact Support

If you're still having trouble, please follow the logging and log reporting instructions available here.