The link does refer to Vista, but is exactly the same for 7. I have changed the parts of the text to suit your Windows 7 installation.
To stop Starsear.ch processes:
Launch the Task Manager by pressing keys CTRL + Shift + ESC.
Click Processes tab, and find Starsear.ch processes.
If you find the Starsear.ch processes, right-click them and select “End Process” to kill Starsear.ch .
ok
NOW.
How to remove Starsear.ch registry keys:
Select your Windows menu “Start
,” and click
“Run.” An “Open” field will appear. Type “
regedit” and click “OK” to open up your Registry Editor.
First it is important to backup the registry. IF you make a typo, you can spoil your OS installation. To do this, select
File - Export, and export a copy of the registry to a safe place on your computer.
To find a registry key, such as any Starsear.ch registry keys, select “
Edit,” then select “
Find,” and in the search bar type any of Starsear.ch ’s registry keys.
As soon as Starsear.ch registry key appears, you can delete the Starsear.ch registry key by right-clicking it and selecting “
Modify,” then clicking “
Delete.”
Do this right through the registry. You may find several instances.
It seems your search did not find any Starsear.ch DLL files? But just try another search for Starsear.ch.Dll, or starsear.Dll - If you find any, right click and delete them.
If Starsear.ch change your homepage
Click
Windows Start menu - Control Panel - Internet Options.
Under Home Page, select General - Use Default.
Type in the address you want as your home page (e.g., “
http://www.google.com” would be good to start).
Select
Apply > OK.