"last week I had virus on pc"
What information did you see to know that you had a virus.
It is quite possible that you have a malware program that tries to con you into scanning for a virus then getting you to buy a program to remove the ficticous virus.
MalwareBytes will check it out and remove any malware.
Full instructions in case you are not sure what to do.
1st thing to do is clear out all your temporary files, tool of choice is ATF Cleaner, it is free and you do not have to install it. Download and instructions
here (Windows XP, 2K, 2003 & Vista ONLY)
* NOTE : If you would like to keep your saved passwords, click No at the prompt.
-- Click on ATF-Cleaner to run it
-- Where it says Select Files To Delete, Check the
Select All Option
-- Click
Empty Selected - >
OK
If you use Firefox browser, do this also:
* Click
Firefox at the top and choose
Select All from the list.
* Click the
Empty Selected button.
Then, please download
MalwareBytes' AntiMalware
* Double-click
mbam-setup.exe and follow the prompts to install the program.
* At the end, be sure a checkmark is placed next to the following:
o Update Malwarebytes' Anti-Malware
o Launch Malwarebytes' Anti-Malware
* Then click
Finish
If an update is found, it will download and install the latest version.
* Once the program has loaded, select > Perform Quick Scan, then click > Scan.
* When the scan is complete, click > OK, then > Show Results to view the results.
* Be sure that everything is checked, and click > Remove Selected.
* When completed, a log will open in Notepad. Save this log to My Documents in case it is needed for reference.
Reboot as required.
Open the log that you saved top My Documents and highlite, copy & paste it back here.
dave