: Use the Microsoft Program Install and Uninstall Troubleshooter to find and remove unlisted SolidWorks components. 3. Unblock Installation Files
Manual uninstalls often leave behind hidden folders that conflict with new installations.
Ensure the license server variable (e.g., 25734@localhost ) is correctly pointing to your local server if using a floating license.
If the Installation Manager screen is blank or stalls with Error 6: Navigate to your installation folder.
SolidWorks 2018 remains a popular choice for engineers and designers due to its stability and performance on older hardware. However, users frequently encounter (often associated with "SolidSquad" or "Invalid License Server Configuration") when attempting to install or reactivate the software.
: Failed previous installations or incomplete uninstalls leave "junk" entries in the Windows Registry, preventing the new installation from configuring correctly.
: Security software often flags licensing tools (like the SolidSquad activator) as false positives, deleting critical files during extraction.