Error on installation of SQL Express
The specified directory, “C:\Program Files\Microsoft SQL Server\”, for the INSTALLSHAREDDIR parameter is not valid because this directory is compressed or is in a compressed directory. Specify a directory that is not compressed.
- On the desired folder (in this case “C:\Program Files”) right click and go to Properties.
- Click on Advanced button.
- Uncheck the box Compress the drive to save space
- Click Apply and then Ok.
- Let the process finish.