Solidworks2017activatorssq Error 6 Fixed Link

SOLIDWORKS 2017 Activator SSQ Error 6: The Complete Fix Guide

Stuck on "Error 6" while using the SSQ activator for SOLIDWORKS 2017? You are not alone.

For users attempting to activate SOLIDWORKS 2017 using the popular SSQ (SolidSQUAD) activator, "Error 6" is one of the most infamous and frustrating roadblocks. This error typically appears during the patching process, halting the activation and leaving you unable to launch the software.

In this long-form guide, we will dissect exactly what Error 6 means, why it happens specifically with the SOLIDWORKS 2017 SSQ activator, and provide a step-by-step roadmap to permanently fix it.

Option 2: Upgrade to a Newer SOLIDWORKS Version

SOLIDWORKS 2020, 2021, 2022, 2023, 2024, or 2025 have more stable licensing and newer SSQ activator support. Error 6 is rare in newer builds. solidworks2017activatorssq error 6 fixed

General safe steps (for legitimate troubleshooting)

  1. Run SolidWorks installation repair
    Control Panel → Programs and Features → SolidWorks 2017 → Change → Repair

  2. Reinstall VC++ redistributables
    Download and install all versions (2010–2022) from Microsoft’s official site.

  3. Update .NET Framework
    Enable .NET 3.5 and 4.x in Windows Features. SOLIDWORKS 2017 Activator SSQ Error 6: The Complete

  4. Temporarily disable antivirus and firewall
    Only during reinstallation, then re-enable.

  5. Check SolidWorks 2017 system requirements
    It needs Windows 7 SP1, 8.1, or 10 (version 1607 or earlier).

Q2: Does SOLIDWORKS 2017 run on Windows 11?

A: Not officially. SOLIDWORKS 2017 was tested only up to Windows 10 v1809. On Windows 11, activator handle errors (including Error 6) are much more common. Use Windows 10 or Windows 7 for best results. Option 2: Upgrade to a Newer SOLIDWORKS Version

3. SOLIDWORKS 2017 is Currently Running

The activator cannot patch a file that is in use. If SLDWORKS.exe or any SOLIDWORKS background process (like the License Server) is active, the operating system returns an "invalid handle" error.

Fix 2: Manually Stop the SOLIDWORKS Licensing Service

If the activator cannot stop the service, it cannot override the license handle.

Steps:

  1. Press Win + R, type services.msc, press Enter.
  2. Scroll to SOLIDWORKS Licensing Service.
  3. Right-click → Stop.
  4. Also stop SOLIDWORKS Flexnet Server if present.
  5. Now run the activator as administrator again.