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  1. #1
    5 Star Lounger
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    Application filetype changed to use uxhc'.exe

    I was working on cleaning up a pc tonight that was infested with spyware and a couple of viruses. I manually cleared out all the garbage-ware that I could find, booted up NAV2003 and found wsock32.dll was infected; NAV fixed it, finished its scan, and then finished its installation. The first reboot after the installation was complete started popping up error messages -- Win98 was trying to run its startup applications but couldn't find the file uhxc".exe. I checked Folder Options | File Types and found that .exe Application files had been associated to be run with the mystery uhxc".exe file. I have never heard of this file, or of .exe files being able to be associated with any specific program. I couldn't even run regedit to take a deeper look at the problem.

    <img src=/S/brickwall.gif border=0 alt=brickwall width=25 height=15> I'm stumped. No search has been able to turn up anything on this mystery file. Short of reinstalling Windows, what can be done to un-associate the Application files and get this computer up and running again?

  2. #2
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    Re: Application filetype changed to use uxhc'.exe

    Hi David:
    First of all, I'm guessing at the solution, but... This is what I see when I look at Application in Start/Settings/Folder Options/FileTypes tab. Perhaps you have an extra entry there? Also, I exported my HKEY_CLASSES_ROOT.exe key & attached it here. Possibly, if you merge it, you'll correct the problem, but no guarantees. I'm not a registry expert.

    Just so you know, here's what I did. I took a look under File Types for .ASD (because I knew it would be short). I found the association was kept under HKEY_CLASSES_ROOT. I then looked for .exe under it. One additional detail, you might want to delete an entry that Zone Alarm put under it & just keep the other one. I've zipped the reg file & will attach it to a second reply (because the picture is in this one).
    Hope this helps,
    Attached Images Attached Images

  3. #3
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    Re: Application filetype changed to use uxhc'.exe

    Here's the reg file.
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  4. #4
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    Re: Application filetype changed to use uxhc'.exe

    Thanks. Hopefully that will work and get the computer working right again. I'm assuming that even though I can't get regedit to run I should still be able to merge the .reg file anyways, and then with a little luck we'll have everything back to normal after a reboot.

  5. #5
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    Re: Application filetype changed to use uxhc'.exe

    Hi David

    According to the new issue of Woody's Windows Watch, a new virus, W32.Swen.A@mm, "disables access to the Registry Editor". If this was one of the viruses you mentioned, perhaps one of the AV websites might have a solution to your Registry Editor problem.

    Have a Great day!!!
    Ken
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    Re: Application filetype changed to use uxhc'.exe

    What happens when you try to run regedit? There is a .reg file I can gets you that re-establishes your ability to run regedit...

  7. #7
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    Re: Application filetype changed to use uxhc'.exe

    I tried to run regedit, but since it is an Application all I received was the message 'Cannot find uxhc".exe' and the prompt to specify the location of this 'required' program. I'm hoping that the registry fix that Phil put up will be able to restore the Application file type to its proper setting, and that should give me back enough control to finish the cleanup.

  8. #8
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    Re: Application filetype changed to use uxhc'.exe

    David: I can't find anything for uxhc.exe & uxhc".exe doesn't make sense, since a filename can't contain a quote.

  9. #9
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    Re: Application filetype changed to use uxhc'.exe

    That's the one aspect of this whole mess that really has me confused. First off, it's a file type that generally cannot be modified, and then the " that shouldn't be possible in a filename is very definitely there. My best guess is that something that was uninstalled from the system decided to play a little prank and cripple Applications on the computer. I'll be going back at it tomorrow morning, armed with the registry file, AdAware, X-Setup and some other utilities and hopefully it should work out. If not, it'll be time to reformat and reinstall everything. Wish me luck.

  10. #10
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    Re: Application filetype changed to use uxhc'.exe

    Ah... I think I see. If the association for .exe files has been modified, then you cannot run ANY .exe file -- including "regedit.exe".

    If this is the case, then RENAME regedit.exe to "regedit.com" or "regedit.bat". This SHOULD work as long as the association for .com and .bat has also not been modified.

  11. #11
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    Re: Application filetype changed to use uxhc'.exe

    That renaming was what saved the day! I applied the registry fix but still had no control over Applications, so I dropped a copy of Regedit on the desktop, renamed it to .com and I was in. The registry key for .exe had been fixed but there was an 'exefiles' key that was set to run uxhc".exe from the Recycle Bin and apparently it was still intercepting any Applications and redirecting them. Once this key was removed I was back in control and could finish the repair & tune up job.

  12. #12
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    Re: Application filetype changed to use uxhc'.exe

    The "Classes Root" section of the registry works so that the "file extension" (.exe in this case) points to a "file type" (exefile in this case). So, I would have expected the "HKEY_CLASSES_ROOTexefile" to be where the abnormality would be found.

    Those keys esssentially work in tandem.

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