After installation of Acronis Backup onto Windows XP a reboot is mandatory.
Description
After installation of Acronis Backup onto Windows XP (any edition which meets system requirements), a reboot is mandatory.
Cause
The reboot necessity is caused by changing the IRPStackSize parameter in the registry of Windows XP in order to make Acronis file system drivers function correctly.
IRPStackSize is located in the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters
More information
For more information about IRPStackSize parameter in Windows, see: Description of the IRPStackSize parameter in Windows 2000, in Windows XP, and in Windows Server 2003.