HijackThis: my computer Zone

Hello dear helpers,

I have copied this message from General Security to Hijack Questions
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and give additional information at the bottom of it:
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Hello,

Re: Win98SE > Internet Explorer 6 SP1

When doing a HijackThis-check I get:

015: Protocol Defaults: @jvt, protocol is in My Computer Zone, should be Internet Zone
Exactly the same message referring to: file, ftp, http and https.

Never seen before and my Laptop with exactly the same settings in
Internet, Local, Trusted etc. does not show these messages when performing
HijackThis.

Moreover, above messages cannot be deleted when marked to be fixed.

Your help will be appreciated.

Best regards,
AdriaanR
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Additional info:
In registry Microsoft\Windows\Current Version\ InternetSettings I found:

5.0 (whereas I have IE6 SP1 !!!!!!)
files: Domains, Ranges and ProtocolDefaults.
The last one mentiones:
@jvt 0x0000001(1)
file 0x0000003(3)
ftp 0x0000003(3)
http 0x0000003(3)
https 0x0000003(3)

Best regards,
AdriaanR