Hi,
Here are the few questions to understand the issue better:
1. Which Internet Explorer browser are you using?
2. Does Internet Explorer browser redirect you to ask.com? If yes, which website/websites redirect you to ask.com?
Let us try the following methods and see if they help:
Method 1: Refer the following Steps to delete browsing history on every exit:
a. Open Internet Options by clicking the
Start button, clicking
Control Panel, clicking
Network and Internet, and then clicking
Internet Options.
b. Click the General tab, and then, under
Browsing history check the box Delete browsing History on exit
, click Delete.
c. Under History, click
Delete history, and then click Yes to confirm that you want to delete the history.
d. Click Close, and then click
OK.
Refer:
How to delete your browsing history in Internet Explorer 9:
http://windows.microsoft.com/en-US/windows7/How-to-delete-your-browsing-history-in-Internet-Explorer-9
Method 2: To delete recent documents refer the following steps:
a. Right-click Start, and then click
Properties. Or, if the Start menu is already displayed, right-click an empty area of the
Start menu, and then click Properties.
b. Click Customize.
c. Click the Advanced tab.
d. Under Recent documents, click
Clear List, and also make “ number of program to display ‘0’ and ‘number of recent items to display in jump lists ‘0’
e. Click Apply and Ok.
If the above methods do not help, or, if you have any further questions, please reply to assist you further.