The tool you have downloaded, KAV_Registry_Clean5.exe is used to 
remove registry entries from a previous installation of KAV 5.0. 
It can be used with all KAV 5.0 products. The tool relies on 2 
additional files that should be included in the folder where 
he .exe file is located. These files are:

DO_List.dat
KAV_RC.ini

Before running this tool the previous version of KAV 5.0 should 
have been removed without errors using the Control Panel-Add/Remove 
Programs function. DO NOT use this tool prior to uninstalling 
the product. 

To use the tool, after extracting the above mentioned files into 
a common folder, simply double click the file KAV_Registry_Clean5.exe. 

When the program opens click the 'Start' button. You will see a 
message displayed when the program completes. If any errors are 
received during the program's execution please note them and contact 
ICE Systems Technical Support.