ipconfig /flushdns
: Ensure you aren't trying to install a version (like SOLIDWORKS 2026) on an unsupported OS like Windows 10, as support for that combination ended in late 2025. solidworks host file block install
If you are seeing errors like or the Installation Manager hangs during the pre-check, your Windows hosts file might be blocking essential communication. Why is this happening? ipconfig /flushdns : Ensure you aren't trying to