FAQ

If you see this message saying ‘An error occurred while downloading/decompressing’, along with the error codes below while you use Navigation Updater, the error takes place when a file download is blocked by network firewalls or security programs.

• Error code 3: ERR_UNZIP_FAIL_MODULE “file decompression error”
• Error code 4: ERR_UNZIP_FAIL_RENAME “file decompression error”
• Error code 6: ERR_DOWNLOAD “download error”

• How to fix a problem with error codes

1. Turn off Windows 10 / 11 Firewall
   1. Type [Firewall] in the search box of the Windows button in the lower-left corner of the monitor
   2. Click [Windows Defender Firewall]
   3. Click [Allow an App or Feature through Windows Defender Firewall] in the upper-left corner of the page
   4. Click [Change Settings]
   5. Click [Allow Other App] in the bottom-right corner of the page
   6. Click [Search] in the bottom-right corner of the page
   7. Open [Navigation Updater.exe] via the newly installed Navigation Updater path then add
      • In the case of Win10 64bit, the typical installation path for Navigation Updater can be found in [My PC > Local Disk(C:) > Program Files(x86) > Navigation Updater > package]
        

        

        

        

        

        

        

        
        
2. Stop the real-time protection feature of a security program or exclude the Navigation Updater from being monitored.
   • As the specified setting for a vaccine program may differ from one another, please ask the respective manufacturer for detailed instructions.