When I go to certain web pages where there is a possiblity of downloading a program I get a pop up asking me to purchase Internet Download Pro. I do not want this program but cannot get rid of the pop-up despite putting the pop up blocker on high. I have to ctrl,alt del to get rid of the pop up. Can anyone suggest how to get rid of this beasty. Many thanks

Smart move to NOT click on any of the links.

There are several "Internet Download Pro" referenced found with Google. The first thing I would do is purge the hard drives of clutter with Windows (XP or Vista) Disk Cleanup, ATF Cleaner or CCleaner. If using CCleaner, uncheck the option to install the Yahoo toolbar during installation. Before first use, go to Options > Settings > Advanced and ensure Only delete files in Windows Temp folders older than 48 hours is unchecked. Know your site credentials (user names and passwords) for sites you frequent before cleaning; you may have to login again at next visit.

Download and install Malwarebytes's Anti-Malware (MBAM) and scan as follows:

Check for updates before scanning,
Select Perform quick scan > Scan,
When complete, click OK, then Show Results,
Ensure all is selected, and click Remove Selected,
When complete, save the log in Notepad to a convenient place for future reference.

Repeat for all computers in the "Trusted Zone" of your network (your side of the Internet "gateway" - typically the cable or DSL modem).

Windows Disk Cleanup Note: One distinct advantage Windows Disk Cleanup has over all other cleaners is that it also has the option to delete all but the most recent Restore Point. This can be significant as malicious code can hide there too. But I caution this option, found under the More Options tab, should be used only after careful consideration. If experiencing a problem that first appeared within the last couple days, do not use this option until sure System Restore can not be used to fix it. If the computer is running fine otherwise, and you are doing your weekly supplemental scans and want to root out as many potential malware hiding places as possible, I recommend setting a new Restore Point, and then use this Disk Cleanup option to clear out the old points.

Then see How to uninstall VersalSoft? - Yahoo! Answers

Many thanks for that advice, unfortunately I still haven't managed to clear the problem. No malware appears, I've run ccleaner, spybot, malwarebytes, avg and I have zone alarm.

The program is shown in my start menu as Versalsoft Internet Download and if I click on uninstall nothing happens. It is not shown in Add or Remove Programs and of course does not show up in Revo

Any other ideas welcome but I will not dare to do anything more complicated I think

I suggest following the D-A-L HijackThis Procedures and have a malware removal expert take a look.

Thank you again

Success but I don't know how

I ran HijackThisand deleted versalsoft. Re-booted and it was still there. Went into
Versalsoft uninstall again and up came the window which said it was uninstalling and nothing happened so I completed the window which asked why I wanted to uninstall, just asked how to do it. Clicked on it and then the uninstall ran and I re-booted and it has disappeared, I think it is ok now (keeping everything crossed.

I really don't know how I got the program in the first place as I am normally very careful about clicking on anything suspect, but there we go it had to happen sometime.

Many thanks for your help

Thanks for the followup.