Try to run Internet Explorer in no add-ons mode and then make sure you’re getting the issue or not.
To open the Internet Explorer in no add-ons mode click on start - all programs - Internet Explorer - Internet Explorer (No Add-Ons).
If you don't get this option open the internet explorer and then click on tools. Now on the tools choose the Manage Add-ons and under that disable the all add-ons and after that restart the internet explorer.
It could also be a Virtual Memory issue -
Open Control Panel and click on the System icon. Now on the System icon go to the Performance tab and under that Virtual Memory. Now on Virtual Memory make check mark on the Let Windows manage my virtual memory settings (recommended) check box option and click on the ok button