|Can you tell us what is the specific message you are getting when you log on?|
Do you get the message when you go into Safe Mode?
Also, do the following:
Please download the Kaspersky Virus Removal Tool:
Kaspersky Virus Removal Tool 2011 does not require installation. You can launch the program from any drive, for example form a removable drive. In order to launch the program, perform the following actions:
Download the program distributive.
Click on 'Run' in the download prompt: setup_<build_number>_<date>_<time>.exe (example setup_126.96.36.1992_22.01.2010_10-04.exe)
Wait till the program unpacks temporary files.
In the lower part of the welcome window select the required language to use during the installation.
Read the license agreement and check the I accept the license agreement option.
Click the settings gear (right top), and under 'Scan Scope', select your C:\ drive
Click the 'Start' button to launch the application.
When the scan is finished, click on: 'Reports' icon (next to thee gear)
Select: 'Automatic Scan Report'
Click on Save, and save to the Desktop
Please provide the Kaspersky Virus Removal Tool report in your reply.
Retired - Doin' Dis, Dat, and slapping malware.