When attempting to utilize the SolidWorks 2018 activator by Team Solidsquad (SSQ), users often encounter "Error 6," which typically manifests as an "Activation Library Initialization error" or an "Access Violation". This specific error is frequently reported when trying to run the activator on newer operating systems like Windows 11, which was not originally supported when SolidWorks 2018 was released. Why "Error 6" Occurs
The error generally stems from a failure in the licensing library's ability to initialize properly within the current environment. Key contributing factors include:
Administrative Permissions: The activator requires deep system access to modify registry keys and service control managers. Failure to run the executable with elevated privileges often triggers access violations.
Antivirus Interference: Many security programs flag activator tools as "suspicious" due to their anti-reverse engineering techniques and registry modification behaviors, leading to the deletion of critical .dll files needed for initialization.
Operating System Incompatibility: Newer Windows updates may have changed how background services like the FNPLicensingService64.exe are managed, causing legacy activators to fail during service creation.
Registry Corruption: Residual data from previous installations or failed activation attempts can corrupt the Windows Registry, preventing the new activation sequence from completing. Common Troubleshooting Steps
To resolve this error, community discussions—such as those on Error 6 Solidsquad - Google Groups—suggest several manual interventions:
Run as Administrator: Ensure you right-click the SolidWorks.2017-2018.Activator.SSQ.exe and select "Run as administrator" to grant it necessary system permissions.
Disable Security Software: Temporarily turn off real-time antivirus protection and Windows Defender before extracting and running the activator to prevent essential files from being quarantined.
Clean Residual Licenses: Manually delete any existing license files or previous "SolidSQUAD" folders that might be causing interference.
Block Internet Access: Many guides recommend blocking outgoing internet access via Windows Firewall before running the activation steps to prevent the software from attempting to verify licenses against official servers. Activate/Deactivate Your SOLIDWORKS Product - 2025
The SolidWorks 2018 Activator SSQ Error 6 typically occurs due to conflicts with the FlexNet licensing service, antivirus interference, or residual license files from previous installations. This error is often described as an "Activation Library Initialization" or "Access Violation" error that prevents the software from launching. Understanding Error 6
This error code is primarily a licensing library failure. In the context of the SSQ (SolidSquad) activator for SolidWorks 2018, it usually indicates that the activator cannot communicate with the necessary system registries or DLL files required to bypass the standard activation. Common Causes of Error 6
Antivirus Deletion: Security software may flag and delete critical activator files (like .exe or .dll files) during extraction, leading to incomplete activation.
Invalid License Paths: Residual files from older SolidWorks versions can interfere with the 2018 licensing process.
FlexNet Service Failure: The SolidWorks FlexNet license service may be stopped or not set to "Automatic" in Windows Services.
Permission Issues: Running the activator without administrative privileges often results in "Access Violation" errors. Step-by-Step Solutions 1. Disable Antivirus and Re-extract
Antivirus programs often prevent the activator from running correctly. Disable your antivirus and Windows Defender temporarily.
Re-extract the _SolidSQUAD_ folder to a writeable location, such as C:\Temp.
Ensure all files, including swlicservinst.exe, are present in the directory. 2. Run Activator as Administrator
Right-click the SolidWorks.2017-2018.Activator.SSQ.exe and select Run as Administrator.
This ensures the program has the necessary permissions to modify the Windows Registry and system files. 3. Clear Residual Licenses
Old license keys can cause "invalid license server configuration" messages.
SolidWorks 2018 Activation Guide | PDF | Microsoft Windows - Scribd solidworks 2018 activator ssq error 6 new
SolidWorks 2018 Activator SSQ Error 6 typically occurs when the "SolidSQUAD" (SSQ) activation tool fails to initialize the licensing library or encounter leftover registry conflicts from previous versions. Solving SolidWorks 2018 Activator Error 6
This error often disrupts the setup process for users trying to re-install or activate SolidWorks 2018 on newer operating systems like Windows 11. Root Causes
Registry Conflicts: Residual license data from older or newer SolidWorks installations (like VBA 7.1 conflicts) can block the activator.
Antivirus Interference: Real-time protection often deletes critical activation DLLs from the extracted SSQ folder, leading to initialization failures.
Admin Privileges: The activator requires elevated permissions to write to the Windows Registry. Step-by-Step Fixes 1. Clean Up Residual Licenses
The most direct fix for Error 6 involves using the activator's built-in cleanup tools: Open the SSQ Activator tool. Navigate to the "Extensions" or "Tools" tab. Click Start next to "SolidWorks License File Cleanup". Choose Standalone License to wipe old activation attempts.
Restart the activator and try the "Set Serial Numbers" step again. 2. Fix the "Could Not Obtain License" Loop
If Error 6 prevents the program from launching after activation: In the SSQ Activator, go back to the Extensions tab.
Find the option "Could not obtain a license for SolidWorks". Click Start, select SolidWorks 2018, and click OK.
This forces the system to recognize the local license enabler. 3. Manage Antivirus and DLLs If files are missing or corrupted:
Disable your antivirus temporarily and re-extract the original SSQ archive.
Ensure you are running the SolidWorks.2018.Activator.SSQ.exe as an Administrator.
If you have ever had a newer version of SolidWorks installed (2021 SP2+), you may need to manually repair the VBA 7.1 installation through the SolidWorks Installation Manager. Troubleshooting Persistence If the error remains:
Registry Reset: Manually rename the SolidWorks registry key in HKEY_CURRENT_USER\Software\SolidWorks to SolidWorks_Old to force a settings refresh.
Compatibility Mode: On Windows 11, try running the activator in Compatibility Mode for Windows 7 or 10.
📍 Note: For professional environments, the most reliable way to resolve persistent activation library errors is to contact your Official SOLIDWORKS Value Added Reseller (VAR).
If you tell me which step the error appears (during serial number setup or final activation), I can give you more specific registry keys to check. When installing SolidWorks 2017/2018, error 6 may occur.
Understanding and Fixing SolidWorks 2018 Activator SSQ Error 6
When attempting to license older versions of CAD software, users often encounter the SolidWorks 2018 Activator SSQ Error 6. This specific error typically indicates a failure in the "Activation Library Initialization," often caused by residual license files from previous installations or interference from security software. What is Error 6 in the SSQ Activator?
The "Error 6" code is generally defined as an Activation Library Initialization error. In the context of the SSQ (SolidSquad) activator, this means the tool cannot correctly start the background services required to bypass or emulate the license server. Common triggers for this error include:
Antivirus Interference: Modern security suites frequently flag and delete critical components of the activator (like .exe or .dll files) during extraction.
Existing License Files: Residual files from a previous or failed installation can interfere with the new licensing process.
Incorrect Permissions: The activator must be run with elevated privileges to modify system registries and services. Step-by-Step Solutions for Error 6 1. Disable Security Software and Re-extract When attempting to utilize the SolidWorks 2018 activator
Antivirus programs often move essential activator files to quarantine without notifying the user. Temporarily disable your Antivirus and Windows Defender. Delete the previously extracted _SolidSQUAD_ folder.
Re-extract the original archive to a writable directory, such as C:\Temp. 2. Clean Up Residual Licenses
Interference from older license libraries is a primary cause of Error 6.
Ensure all instances of SolidWorks and its related background processes (like SolidWorks_FS.exe) are closed via the Task Manager.
Navigate to your installation directory (e.g., C:\Program Files\SolidWorks Corp) and check for any remaining .dll files from previous versions; remove them manually if necessary. 3. Run with Administrator Privileges
The activator requires deep system access to "Force Local Activation".
Right-click the SolidWorks.2017-2018.Activator.SSQ.exe and select Run as Administrator.
Follow the readme instructions exactly: first set serial numbers, then click the activation button to apply the license enabler. 4. Troubleshooting the SQL Server (If Applicable)
If Error 6 appears during the installation of specific modules like SolidWorks Electrical, it may be related to the SQL instance.
In the Installation Manager, navigate to Electrical Options.
Select "Install a new instance of SQL Server" and follow prompts to refresh the server name and data location. Verifying a Successful Activation
Once you have applied the fixes and restarted your computer:
Launch SolidWorks 2018. If a license agreement appears, click Yes.
To verify the license status, go to the Help menu and select About SOLIDWORKS.
If you continue to experience issues, consider resetting the SOLIDWORKS Windows Registry to clear any corrupted settings that might be blocking the activation wizard.
SolidWorks 2018 Activation Guide | PDF | Microsoft Windows - Scribd
The "Error 6" encountered with the SolidWorks 2018 SSQ activator often refers to an Access Violation or a compatibility conflict
, typically occurring on newer operating systems like Windows 11. Microsoft Learn Root Causes of Error 6 VBA 7.1 Conflict
: A primary driver for installation errors in older SolidWorks versions (pre-2021) is the presence of a newer version of Visual Basic for Applications (VBA 7.1)
. If your system already has a newer VBA installed from another application, the 2018 installer fails to recognize or overwrite it, triggering an error. Windows 11 Compatibility
: SolidWorks 2018 is not officially supported on Windows 11. Users attempting to install it on this OS frequently encounter activation flashes or "Error 6" due to mismatched system libraries. Permissions/Access Violation
: As noted in technical forums, the "Error 6" is often a generic code for an access violation, meaning the activator does not have the necessary administrative rights to modify the registry or system files. Google Groups Potential Fixes and Workarounds VBA Downgrade
: To resolve conflicts with newer versions of VBA, you may need to manually uninstall the current version. Navigate to the folder in your SolidWorks installation media, open the folder, and uninstall vba71_1033.msi before attempting the install again. Administrative Execution The license server’s lmgrd reports a checksum overflow
: Ensure the SSQ activator is "Run as Administrator." Right-click the executable and select Run as administrator to prevent access violation errors. Registry Cleanup
: If a previous activation attempt failed, it might leave "dirty" registry keys. Professional users often recommend a clean uninstall and using a registry cleaner before re-running the SSQ activator. Repair Installation SOLIDWORKS Installation Manager
through the Windows Control Panel to attempt a repair if the software is installed but failing to activate. GoEngineer or managing Windows 11 compatibility mode for this version?
Error 6 during SolidWorks 2018 installation on Windows 11 - Facebook
The SolidWorks 2018 Activator SSQ Error 6 typically occurs when the licensing server or activator fails to initialize properly, often due to leftover files from previous installations or interference from security software. Understanding Error 6
Error 6 is frequently an "Activation Library Initialization" error. In the context of SSQ (SolidSquad) activators, this typically means:
Initialization Failure: The activator cannot find or access the necessary DLL files required to start the license service.
Security Interference: Antivirus programs may identify the activator's files as threats and delete them during extraction, preventing the license server from running.
Version Conflicts: Residual files from older SolidWorks versions (like 2017) can conflict with the 2018 licensing process. Steps to Fix Error 6
If you encounter this error during installation or activation, follow these troubleshooting steps: Run License File Cleanup: Open the SSQ activator tools. Navigate to the Extensions or License Information tab.
Select SolidWorks license file cleanup and choose the "Standalone license" option to remove conflicting old license data. Verify Antivirus Exclusions:
Disable your antivirus or Windows Defender temporarily before extracting the activator files.
Ensure that files like server.exe or server.install haven't been quarantined or deleted by your security software. Manual License Server Start: Search for Services in the Windows Start menu. Locate the SolidWorks FlexNet license server.
Right-click it, select Properties, set the startup type to Automatic, and click Start. Registry Reset (Advanced):
If the error persists, you may need to reset the SolidWorks registry entries.
Open regedit and navigate to HKEY_CURRENT_USER\Software\SolidWorks.
Caution: Always back up your registry before making changes, as this resets all user settings. Force Local Activation:
When running the activator (as Administrator), use the Set Serial Numbers button and choose Force Local Activation Serial Numbers to bypass remote server check issues. SOLIDWORKS Registry Reset
SolidWorks 2018 had five service packs (SP0 to SP5). The SSQ activator was updated multiple times. Using an older activator (e.g., one released before SP3) on SP5 will trigger Error 6 because the memory signatures changed. The "new" activator (released late 2018 or 2019) is required for SP5.
Ironically, legitimate users sometimes see a similar "Error 6" during network license activation. This occurs when:
lmgrd reports a checksum overflow (a corrupted license file).SolidWorks_Flexnet_Server folder contains an outdated sw_d.lic.For legal users, the fix is to request a new license file from your SolidWorks reseller, not to use an SSQ activator.
If Error 6 persists, manually clean the system:
C:\ProgramData\FLEXnet → Delete all SW_D_*.data and SW_L_*.data files.C:\Program Files (x86)\SolidWorks Corp\SolidWorks\ → Delete license.dll (if present).regedit → Navigate to:
HKEY_LOCAL_MACHINE\SOFTWARE\SolidWorks\Licenses
Delete any keys that mention "Serial" or "Network License."