Please try the attach fix for Internet Explorer (IE7) Operation Aborted issue.
First Unzip than replace the files
Root/administrator/components/com_virtuemart/classes/htmlTools.class.php
Root/components/com_virtuemart/js/wz_tooltip.js
Make sure you clear browser cache.
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Peter, I have followed all your steps, but its only work at the backend, and not at the frondend..
heres how i did:
- before i follow your steps, i uninstall all virtuemart's component, modules, and plugin.. restart my computer.
- install again component (plus install sample data), modules (mod_virtumart 1.1.3 + other additional modules; and then enable all modules), 2 plugin (then enable them)
- restart my computer.
- control panel >> internet option >> delete cookies, deleted files, clear history ->(clear browser cache). plus all private data at other browser (firefox, opera and safari).
- download your link : htmltools.class.zip and wz_tooltip.zip
- unzip (extract all) htmltool.class.zip and wz_tooltip.zip
- i copy and paste (replace) through 'windows explorer'
at the file of 'wz_tooltip.zip' (38 kb) i copy (CTRL+C)
and then paste (CTRL+V) it at: (root)www/component/com_virtuemat/js/wz_tooltip.js.
at the file of 'htmltool.class.zip >> CTRL+C
then CTRL+V at: root/administrator/componet/com_virtuemart/classes/htmltools.class.php
- try it, but only work at the backend. Not at the frondend.
- restart computer
- try again, its same...

Peter.., could you tell me where is my fault..?