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The ExtendSim installer includes DLLs that need to be registered in the Windows Registry during installation. These error messages indicate that the Windows operating system or your security system is blocking the ExtendSim installer from registering the DLLs.

Right-click the ExtendSim installer and select Run as Administrator. Or contact your IT or Admin and have them install ExtendSim to your user account with the correct Admin permissions (once that happens, it won’t be required again).

If that doesn’t fix the problem, try temporarily disabling your virus protection software while installing ExtendSim.


Installation issue with DLLs

ComponentTransferData error message