This might be because your security settings. There are many enhanced security features on Windows 7, 8 and 10 to protect your computer that block certain Installation Manager (SLDIM) files and so the SLDIM cannot access them when its fired up.
The possible reason for such issue is:
To resolve this issue, you need to unblock the files related to startup screen of the installation manager.
[Solidworks 20XY SPXY] \sldim\lang\english\html
RMB frameset.html -> Properties.
3. Click on the “Unblock” option on the General tab and click apply.
Note:
You might have an Unblock Checkbox instead so please check the box to unblock the files
Make sure to unblock both the files
4. After you unblock both the files, run the “setup” again to launch SLDIM.
Written by Bibek Bhurtel
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