What is the meaning of the error "CreateDirectory() failed: Windows error 5: Access is denied" during the installation of Bitvise SH Client?

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The error "CreateDirectory() failed: Windows error 5: Access is denied" during the installation of Bitvise SH Client usually occurs when the installer is attempting to create a new directory but it does not have the necessary permissions to do so. This can happen if the user running the installer does not have administrative privileges on the computer or if there are already existing permissions set on the system that prevent the creation of new directories. To resolve the issue, try running the installer as an administrator or adjusting the permissions on the affected directories to allow for new files and directories to be created.