SDE 1244, Reading from a drive has failed.

  • Article ID: 109335
  • Updated: 29 May 2009

Sophos SafeGuard Disk Encryption 4.60

Client OS

Windows 2000 Professional SP4, Windows XP SP3

Server OS



What does SDE Error 1244 "Reading from a drive has failed" mean? How can I solve this problem?


The attempt to read data from a drive failed. If this error occurs during the installation of Sophos SafeGuard Disk Encryption, make sure that physical hard disk “0” includes the start partition. Protection or virus programs can prevent access to certain drives too; turn them off during the Installation of Sophos SafeGuard Disk Encryption.

If you get the Sophos SafeGuard Disk Encryption error "SDE 1244" the most common reason is that your laptop has an internal multimedia card reader. This device integrates as hard disc 0 in your system.

To verify that open the "disk management" and you will find a screen like below.

The solution is to deactivate this device in the device management or BIOS during the installation and initial encryption of Sophos SafeGuard Disk Encryption. Afterwards you can enable the device again.

Keywords: sde

If you need more information or guidance, then please contact technical support.

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