❔ Known issues - Installation and update
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      3. ❔ Known issues - Installation and update

      SOLIDWORKS Desktop - the source folder version is not correct D:\ (or E:\)

      A common error when installing or modifying an existing SOLIDWORKS installation is that the source folder version is incorrect.

      Issue:

      During installation or modification, you may have encountered this message:



      Figure 1 : Error "the source folder version is not correct D:\".

      If you're installing from a set of installation files copied from a DVD or USB stick, or downloaded from websites, this error means exactly what it says: the swdata99.id file is missing.

      Solution: 

      - The SOLIDWORKS installation file may have been deleted: restore it from your recycle bin or re-download it from this link.

      Then double-click on the restored .iso file and restart the installation normally.