This message indicates that there is a permissions specific issue with the following SolidWorks registry keys located in your PC's registry:
To fix this issue, please follow the steps below:
- Select your Windows Start button and then Run Type in REGEDIT -- you will now be in your registry
- Find the HKEY_CLASSES_ROOT folder and expand it
- Right-click select each of the following files and select Permissions HKEY_CLASSES_ROOTSldAssem.Document, HKEY_CLASSES_ROOTSldDraw.Document, and HKEY_CLASSES_ROOTSldPart.Document
- Make sure that each file has been set to the following permissions level: "Full Control" and "Read." After the files are set with the correct permissions the errors that you are seeing will no longer be generated when you launch SolidWorks.
- Lastly Reboot.