To help you, I must make a diagnostic and to do so, I require a log.
Open this link and download ZHPDiag :
Register the file on your Desktop.
Double click on ZHPDiag.exe and follow the instructions.
the tool created two icons ZHPDiag and ZHPFix (we will use ZHPFix at the next step).
Double click on the short cut ZHPDiag on your Destktop.
Click on the Magnifying glass and run the analysys.
Wait for the tool to finished (maybe a long time)
To transmit the report, click on this link :
Click on Parcourir and search the directory where you installed ZHPDiag (usually C:\Program Files\ZHPDiag).
Select the file ZHPDiag.txt.
Click on "upload »
Copy the url and post it here
Catch you and the viruses later