Solidsquad Error 6 Windows 11 Fixed Jun 2026
Sometimes the backend service required to read the software key is set to manual or disabled. Press Windows Key + R , type services.msc , and hit .
Windows Defender ignores all files inside excluded folders, eliminating write-blocking.
If you are getting Error 6 on software that uses a local server (like Siemens or ANSYS), the local SolidSquad server service may have crashed or failed to install.
: Older versions of SOLIDWORKS (prior to 2021 SP2) do not recognize newer system components like VBA 7.1 introduced in recent Windows updates.
Locate your SolidSquad folder and run the server_remove.bat script as an administrator. (This uninstalls the broken service). Restart your computer. solidsquad error 6 windows 11 fixed
How to Fix SolidSquad Error 6 on Windows 11: A Complete Guide
Go to > Virus & threat protection settings > Manage settings .
Under , look for variables related to your software vendor (e.g., ANSYSLMD_LICENSE_FILE or AUTODESK_LICENSE_FILE ).
Hold the while clicking Restart in your Windows Start Menu. Your PC will reboot into the Advanced Boot Options menu. Sometimes the backend service required to read the
: For stable performance on Windows 11, it is recommended to use SOLIDWORKS 2022 SP2 or newer, as older versions are not officially supported on this OS.
If you turn Windows Defender back on, ensure the installation folders remain in the exclusion list, or the software will trigger Error 6 again during the next system scan.
Right-click the service again, select , change the Startup type to Automatic , and click Apply . Method 2: Check Windows Defender Quarantine
: Open the Task Manager and end any processes named solidworks_fs.x . If you are getting Error 6 on software
The (often an "Access Violation") typically occurs when users attempt to install or activate older, non-official versions of SOLIDWORKS on Windows 11 . This issue is primarily due to compatibility conflicts between legacy licensing files and the stricter security or system architecture of newer Windows versions. Why It Happens
Solution 1: Reset the SolidSquad License Service (Recommended)
The following steps are crucial to create a clean environment for a fresh installation: