Adp94xx Service Defaults in Windows 8
Adaptec Windows SAS/SATA Storport Driver by Adaptec, Inc..
The Adp94xx service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If Adp94xx fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the adp94xx service hasn't been started.
Restore Default Startup Configuration for Adp94xx
1. Select your Windows 8 edition, and then click Download.
2. Save the Win8_adp94xx_Service_Startup.cmd file to a local storage device.
3. Run the saved file as an administrator.
4. Restart the computer.
The adp94xx service is using the adp94xx.sys file that is located in the %WinDir%\System32\drivers folder. If the file is corrupted or deleted, you can put it back in there.