Solidworks Host File Block Install May 2026

Blog Post: How to Fix SolidWorks Installation Blocks via the Hosts File

What happens when you block SolidWorks installation

ipconfig /flushdns

• Education Licenses: These require yearly online re-activation. Blocking will cause failure.
• Term Licenses (Monthly/Yearly): Blocking will prevent renewal validation, causing the software to lock you out on day 31.
• Cloud Services: If you use DraftSight Connected or 3DSwym, do not block.