keylogger password

I installed a keylogger in my computer , but one day i changed the passwod and , then i forgot it!!!
I must be mad to do so !! Now uninstallation becomes a trouble.
It is impossible to reinstall the OS and we don't wanna by use of other software...
how to work it out? does the system log record this?
help...

u re really in trouble but what kind of keylogger is that?
I mean what is the brand name bcs there are a lot of Keyloger application on the market?

If it is Refog these are the steps

on windowds XP command prompt type %allusersprofile%\Application Data\MPK and click OK.
on vista and window 7 type %allusersprofile%\MPK and click OK.

Next
Delete the file S0000.

Then
Go back to the command promp and type runrefog and click OK.

Go to Tools from the menu bar and select Uninstall.

Tks for your help,mtazamaji😉I will try

ikikubali au kugoma tujulishe