prova a disinstallare i daemon tools (che dovresti aver installato), riavvia e guarda se risolvi
Codice:
Name: sptd
Filename: sptd.sys
Command: System32\Drivers\sptd.sys
Description: Driver used by the CD Rom emulation program, Daemon Tools Version
4. There have been some reports of problems with this driver.
File Location: %System%\Drivers\sptd.sys
Startup Type: This startup entry is installed as a Windows NT, 2000, 2003, or
XP service.
Service Name: sptd
Service Display Name: sptd
HijackThis Category: O23 Entry
Note: %System% is a variable that refers to the Windows System folder. By
default this is C:\Windows\System for Windows 95/98/ME, C:\Winnt\System32 for
Windows NT/2000, or C:\Windows\System32 for Windows XP.