In Kaspersky Anti-Virus version 2009 the user can password-protect the application’s settings from changes. If you have forgotten the password, it can even be impossible to manage the settings and functionality of Kaspersky Anti-Virus version 2009. To disable password-protection, do the following: 

• Download the archive passOFF9.zip 
• Unpack all files from the archive passOFF9.zip 
• Restart your computer in Safe mode 
• From the archive run the file: 
• x86.reg – if 32bit OS is installed 
• x64.reg –if 64-bit OS is installed
• in the Registry Editor window click Yes 

• make sure the information from the registry key has been successfully added to the system registry

• reboot your computer