I`m not sure what`s causing your right click issues, but you certainly have a couple of bits of Symantec/Norton still running.
You might want to copy and paste these instructions into a notepad file. Then you can have the file open in safe mode, so you can follow the instructions easier.
Turn off system restore.(XP/ME only) See how here.>
http://www.bleepingcomputer.com/forums/tutorial56.html
Boot into safe mode, under your normal user name(NOT THE ADMINISTRATOR ACCOUNT). See how here.>
http://www.bleepingcomputer.com/forums/tutorial61.html
In Windows Explorer, turn on "Show all files and folders, including hidden and system". See how here.>
http://www.bleepingcomputer.com/forums/tutorial62.html
Click start/run and type services.msc into the run box and press the enter key.
When the window appears, maximise it. Double click on the following services(if there) and select stop if they are running. Set the startup type to disabled. Click apply/ok for each service you disable.
Symantec AntiVirus Definition Watcher
SAVRoam
Close the services window.
Open your task manager, by holding down the ctrl and alt keys and pressing the delete key.
Click on the processes tab and end process for(if there).
DefWatch.exe
SavRoam.exe
Close task manager.
Run HJT with no other programmes open(except notepad). Click the scan button. Have HJT fix the following, by placing a tick in the little box next to(if there).
O23 - Service: Symantec AntiVirus Definition Watcher (DefWatch) - Unknown owner - C:\Program Files\Symantec AntiVirus\DefWatch.exe (file missing)
O23 - Service: SAVRoam (SavRoam) - Unknown owner - C:\Program Files\Symantec AntiVirus\SavRoam.exe (file missing)
Click on the fix checked button.
Close HJT.
Locate and delete the following
bold files and/or directories(if there).
C:\Program Files\
Symantec AntiVirus
Reboot into normal mode, turn system restore back on and rehide your protected OS files.
Regards Howard