[Answer ID: 11864]
I deleted "DriveNavi.exe", so I cannot install softwares.
Turn on the computer.
Connect the AC adapter to the USB hard drive’s power connector.
Plug the power cord into a wall outlet.
Connect the USB cable into a port on the USB hard drive.
Connect the USB cable to your PC or Mac.
Download “DriveNavi.exe” from www.buffalotech.com.
Click [download] on the download page.
Please read the "Readme" before you download the software.
When the serial number check screen is displayed, select your product, enter the 14 digit product serial number (written on the hard drive backplane), and click [submit].
When the download screen is displayed, click [Save].
When the saving screen is displayed, click the [▼] button at [Browse].
Select [Desktop] and click [Save].
When “Download complete” is displayed, click [Close].
Double-click “drivenavi_XXX***” on the Desktop.
When the message “Do you execute this software?” is displayed, click [Run].
Confirm the DriveNavi folder has been created on the Desktop.
DriveNavigator will start. Click [Begin Installation].
Click [Additional Software Installation].
Check the software you want to install and click [Begin installation]. Installation will start.
Copy the “DriveNavi” folder which was decompressed onto the Desktop at step 11 into the hard drive.
Now DriveNavi.exe has been downloaded completely.