Snapman

There can be two different causes: the volume you choose is encrypted by TrueCrypt, or there is a malfunction of Acronis low-level drivers due to incorrect registry value

You will need to delete keys and strings from Windows registry to remove Acronis SnapAPI drivers

Uninstall the product. And then install again

Description of the Acronis SnapAPI module

Introduction

This article explains how to resolve a problem, when Windows does not boot and snapman.sys is mentioned on the blue screen (BSOD), after an attempt to uninstall or force remove Acronis software.

Symptom

BSOD during computer bootup related to snapman.sys after removal of Acronis software. Windows does not boot in normal or safe mode.