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Cricut Gypsy does not synchronize when Tmproxy is enabled in Worry-Free Business Security (WFBS)

    • Updated:
    • 24 Nov 2016
    • Product/Version:
    • Worry-Free Business Security Standard 7.0
    • Worry-Free Business Security Standard 9.0
    • Worry-Free Business Security Standard/Advanced 7.0
    • Worry-Free Business Security Standard/Advanced 8.0
    • Worry-Free Business Security Standard/Advanced 9.0
    • Platform:
    • Windows 2003 Enterprise
    • Windows 2003 Small Business Server
    • Windows 2003 Standard
    • Windows 2008 Enterprise
    • Windows 2008 Essential Business Server
    • Windows 2008 Small Business Server
    • Windows 2008 Standard
    • Windows 7 32-bit
    • Windows 7 64-bit
    • Windows Vista 32-bit
    • Windows Vista 64-bit
    • Windows XP Home
    • Windows XP Professional

Cricut Gypsy is unable to sync when the the TrendMicro Tmproxy service is on. CricutSync displays the "Connecting To Device..." message indefinitely.


Detailed analysis:

  • CricutSync.exe will connect to Bridge.exe for data sync. Bridge.exe is listening on port
  • When the sync starts, CricutSync.exe will connect to localhost:6999, which is
  • However, TrendMicro Tmproxy is listening on port As a result, the connection of CricutSynce.exe is sent to Tmproxy instead of Bridge.exe.

Issues found:

  • When starting up, Bridge.exe should check if any other application is using port 6999. If yes, it should use other ports.
  • Bridge.exe binds to However, CricutSync.exe connects to it using This will only succeed if no other application is listening on In this case, TrendMicro Tmproxy is listening on the port, so the connection is intercepted by Tmproxy.
A workaround for the issue is to:
  1. Unload the Client/Server Security Agent (CSA)/Security Agent (SA).
    1. Right-click the Trend Micro icon in your system tray near your computer's clock, and then select the option that applies to you.
      • For WFBS 6.0: Unload Client/Server Security Agent
      • For WFBS 7.0/8.0/9.0: Exit Worry-Free Business Security
    2. Enter the password and click OK.
  2. Modify the TmProxy registry key.
    1. Open the Registry Editor.
      Important: Always back up the whole registry before making any modifications. Incorrect changes to the registry can cause serious system problems.
    2. Go to the registry path: HKEY_LOCAL_MACHINE\SOFTWARE\TrendMicro\NSC\TmProxy.
    3. Replace the TmProxy port address from "6999" to "7000" in decimal values.
      The Dword value will show the following:
      Dwords: ProxyPort = 1b58 (7000)
  3. Restart the CSA/SA client.
    • For WFBS 6.0: Click Start > All Programs > Trend Micro Client-Server Security Agent > Client-Server Security Agent.
    • For WFBS 7.0/8.0/9.0: Click Start > All Programs > Trend Micro Worry-Free Business Security Agent > Worry-Free Business.
Solution Id:
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