The file LPBLK.EXE is malware related.
You must delete the file LPBLK.EXE immediately!
Delete the file LPBLK.EXE without delay!
Kill the process LPBLK.EXE and remove LPBLK.EXE from the Windows startup.

LPBLK.EXE Information and Removal:
LPBLK.EXE is known as: Virus.Win32.Virut.ce [Kaspersky Lab] Mal/HckPk-A [Sophos] Trojan-Spy.Win32.VB [Ikarus].
MD5 of LPBLK.EXE = 780841BBBDAACB13F29C6D765A2380EC
LPBLK.EXE size is 89088 bytes.
Full path on a computer: %APPDATA%\LPBLK.EXE
Related Files:
%APPDATA%\0KNX4ISJ.EXE
%APPDATA%\6MAIMJR34.EXE
%APPDATA%\8W8Y1JA94.EXE
%APPDATA%\CONIMA.EXE
%APPDATA%\F7LE8HPD.BAT
%APPDATA%\GPP024YGQ.EXE
%APPDATA%\INPUT.BAT
%APPDATA%\LJPBC.LOG
%APPDATA%\LOCALACCOUNTAUTHORITY.BAT
%APPDATA%\LPBLK.EXE
%APPDATA%\LSSAS.EXE
%APPDATA%\MANAGER.EXE
%APPDATA%\MLOG
%APPDATA%\MOUSEDRIVER.BAT
%APPDATA%\PLUG.BAT
%WINDIR%\CFTNOM.EXE
%APPDATA%\YLOG
%APPDATA%\YZO3K.LOG
%WINDIR%\TEMP\226203.DLL
%TEMP%\ARP.BAT
%TEMP%\X1JKFDSAL.INF
%WINDIR%\CFTNOM.BAT
%FONTSDIR%\MLOG
%FONTSDIR%\SERVICES.EXE
%SYSTEM%\NWCWKS.DLL
%SYSTEM%\NWSAPAGENTS.DLL
%SYSTEM%\USER.INI
%WINDIR%\TEMP\ARP.BAT
%WINDIR%\TEMP\VRT2.TMP