It is probably a malicious program.

See
http://www.removemalwarespyware.com/how-to-remove-fake-pc-power-speed-fake-p
c-power-speed-removal-guide/

Fake PC Power Speed Description:
Recently, there is fake PC Power Speed program created and spread on the
Internet. Essentially different from the legitimate PC Power Speed program,
the fake PC Power Speed claims that it has detected numerous system errors
on your computer and deceptively promises to fix the problem. If you believe
it and follow its steps to “fix the problem”, you will be redirected to its
malicious website. At the last, you are asked to pay it. Apparently, it is a
scam. Not only the payment part, but also the system errors it reported. The
issue is that you need to remove the fake PC Power Speed immediately. As it
can escape from antivirus program, we strongly recommend the manual removal
to completely get rid of fake PC Power Speed.

You will find removal instructions on the above link.

-- 
Best regards,
Mogens Holst


-----Oprindelig meddelelse-----
Lately I have been receiving pop-up messages from P.C. Power Speed telling
me that my System Registry has errors.  In a time frame of several months
the first message reported 238 and today it is 289.  I have no idea what
this means (what is my System Registry?) and is this a dangerous situation?
They are offering to remove them for me but I am certain there will be a
charge but how much, I do not know.
 
I have windows XL and my computer is about 2 ½ years old.  I would
appreciate any advice.  Many thanks.  Dottie Hoch

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