Older SSQ server versions (from 2021 or earlier) are often incompatible with Windows 11's stricter security. Locate your original installation folder (often _SolidSQUAD_ server_remove.bat file as an Administrator. Copy the latest SolidWorks_Flexnet_Server folder to your server_install.bat as an Administrator. Configure Antivirus Exclusions Windows Defender may quarantine the files required for the license server.

"Troubleshooting Application Error Codes on Windows 11" (Microsoft Learn / Docs)

Try these solutions in order from simplest to most advanced.

The “Out of memory” text is misleading. It is a legacy error code (6) that in the Solidsquad context means “handle allocation failed,” not actual RAM exhaustion.

On Windows 11, this happens for three primary reasons:

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Solidsquad Error 6 Windows 11 Extra Quality -

Older SSQ server versions (from 2021 or earlier) are often incompatible with Windows 11's stricter security. Locate your original installation folder (often _SolidSQUAD_ server_remove.bat file as an Administrator. Copy the latest SolidWorks_Flexnet_Server folder to your server_install.bat as an Administrator. Configure Antivirus Exclusions Windows Defender may quarantine the files required for the license server.

"Troubleshooting Application Error Codes on Windows 11" (Microsoft Learn / Docs) Solidsquad Error 6 Windows 11

Try these solutions in order from simplest to most advanced. Older SSQ server versions (from 2021 or earlier)

The “Out of memory” text is misleading. It is a legacy error code (6) that in the Solidsquad context means “handle allocation failed,” not actual RAM exhaustion. this happens for three primary reasons:

On Windows 11, this happens for three primary reasons: