If you notice a performance degradation with the browser when SilkTest is not running, choose Tools > Manage AddOns in Internet Explorer. Choose QAPHlprObjClass from the Enabled list and click the Disabled option button in the Settings group box. Click OK to save the change.
Look in Silktest Help for more information about QAPHlprObjClass. It should be helpful for your situation!
This works 100% if the extensions are not getting enabled even after trying lots of things!
Let me know, if it does not work for you, I'll change the statement to "This works 99%...." [img]/images/graemlins/wink.gif[/img]
You have to recreate your windows user profile on the machine: Login as administrator, go to the User Profiles tool from the Advanced tab of the System Properties dialog box. Once you do, select your user profile from the list and click the Delete button. Log on again as you and this will create a new user profile.
DO it , I hope it will help U.