From:
http://www.kephyr.com/spywarescanner/library/incredifind/index.phtml
Uninstall procedure
Uninstall IncrediFind from "Add/Remove Programs" in the Windows® Control
Panel.
Manual removal
Please follow the instructions below if you would like to remove IncrediFind
manually. Please notice that you must follow the instructions very carefully
and delete everything that is mentioned. In most cases the removal will fail
if one single item is not deleted. If IncrediFind remains on your system
after stepping through the removal instructions, please double-check by
stepping through them again.
1.. Start the registry editor. This is done by clicking Start then Run.
(The Run dialog will appear.) Type regedit and click OK. (The registry
editor will open.)
2.. Delete 'HKEY_LOCAL_MACHINE \ SOFTWARE \ Classes \ CLSID \
{5D60FF48-95BE-4956-B4C6-6BB168A70310}', if it exists.
3.. Delete 'HKEY_LOCAL_MACHINE \ SOFTWARE \ Classes \ CLSID \
{4FC95EDD-4796-4966-9049-29649C80111D}', if it exists.
4.. Delete 'HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \
CurrentVersion \ Explorer \ Browser Helper Objects \
{5D60FF48-95BE-4956-B4C6-6BB168A70310}', if it exists.
5.. Delete 'HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \
CurrentVersion \ Explorer \ Browser Helper Objects \
{4FC95EDD-4796-4966-9049-29649C80111D}', if it exists.
6.. Exit the registry editor.
7.. Restart your computer.
8.. Start Windows Explorer and delete:
%ProgramsDir%\IncrediFind\BHO\incfindbho.dll
Note: %ProgramsDir% is a variable (?). By default, this is C:\Program
Files.
9.. Start Microsoft Internet Explorer.
10.. In Internet Explorer, click Tools -> Internet Options.
11.. Click the Programs tab -> Reset Web Settings.
HTH
JW