[Windows] A "Failed to install ScanSnap Home. Do you want to delete the downloaded data?" message is displayed

When a "A folder or file access error occurred." message is displayed

The installation may have failed because a folder or file cannot be accessed. Install ScanSnap Home again after performing the following:

• Check if you have access permission for the folder or file

  • In the case that the path which is displayed in the main window is for a folder

    When you open File Explorer to open the folder, if a "You don't currently have permission to access this folder. Click Continue to permanently get access to this folder." message is displayed, click the [Continue] button so that you will be able to access the folder, and then install ScanSnap Home again.

    If you can open the folder without any problems, check whether you can copy and save a file to this folder. If you cannot save the file to the folder because of an error, obtain write authority to the folder, and then install ScanSnap Home again.

  • In the case that the path which is displayed in the main window is for a file

    Obtain permission for deleting a file, to the file, and delete the file. Then, install ScanSnap Home again.

• Temporarily stop the security software application operations that are running

  When you are using security software application on your computer, stop the operations that are running temporarily, and install ScanSnap Home again.

  After the installation of ScanSnap Home, restart the security software immediately.

  For details about how to temporarily stop and restart the security software, refer to the manual of the security software that you are using.

  ATTENTION

  • While the security software is stopped, do not perform any operations other than the installation of ScanSnap Home, such as the registration of a ScanSnap account.

  Note that, depending on the security software application, the error may not be solved because some of the security software applications may not be able to be stopped completely. In that case, perform a clean boot on your computer, and install ScanSnap Home.

  For details about performing a clean boot on a computer, refer to the official Microsoft website.

When a "The installation cannot be performed because a process is running in ScanSnap Home. Wait until the process is complete and then retry the installation." message is displayed

Another process is running in ScanSnap Home.

Wait for a while and install ScanSnap Home again.

When a "The installation cannot be performed because a process is running in ScanSnap Home. Uninstall ScanSnap Home, and then install it again." message is displayed

The files of ScanSnap Home may have been corrupted or located out of place.

Display the [Programs and Features] window, uninstall ScanSnap Home, and then install ScanSnap Home again.

When a "The installation file you downloaded may be incomplete." or "An unexpected error" is displayed

A security software may be preventing the ScanSnap Home installation file from running.

Use the offline installer and install ScanSnap Home again.

For details, refer to [Windows/macOS] How can I install ScanSnap Home using an offline installer?.