When password is lost, it is only possible to reset the password by re-installing windows.
Before re-installing Windows, user can back up the following files and later restore the configuration after re-installation.
C:\Program Files (x86)\Backup Center
DataSVR.ini
GeoNetWriter.ini
php.ini
SVR.ini
VersionInfo.ini
GEO_DATACENTER.db3
RemoteAccess.db3
SVR.db3
C:\Program Files (x86)\Backup Center\Apache
php.ini