Plesk Backups

[Silence]

Hi There,

I've updated my PLESK for 8.3 , and now can't do backups, the error it's:

Unhandled Exception: System.IO.FileNotFoundException: File or assembly name psabackup, or one of its dependencies, was not found.
File name: "psabackup"
at dump.MainForm.Main(String[] args)

=== Pre-bind state information ===
LOG: DisplayName = psabackup, Version=8.300.2915.28000, Culture=neutral, PublicKeyToken=null
(Fully-specified)
LOG: Appbase = C:\Program Files\SWsoft\Plesk\admin\bin\
LOG: Initial PrivatePath = NULL
Calling assembly : backup, Version=8.300.2915.28000, Culture=neutral, PublicKeyToken=null.
===

LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind).
LOG: Post-policy reference: psabackup, Version=8.300.2915.28000, Culture=neutral, PublicKeyToken=null
LOG: Attempting download of new URL file:///C:/Program Files/SWsoft/Plesk/admin/bin/psabackup.DLL.
LOG: Attempting download of new URL file:///C:/Program Files/SWsoft/Plesk/admin/bin/psabackup/psabackup.DLL.
LOG: Attempting download of new URL file:///C:/Program Files/SWsoft/Plesk/admin/bin/psabackup.EXE.
LOG: Attempting download of new URL file:///C:/Program Files/SWsoft/Plesk/admin/bin/psabackup/psabackup.EXE.



Thanks for any help!