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Empty Device Manager and Related Issues (XP)


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#1
garfield_tsm

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The Symptoms:
I first noticed my problem when attempting to change the settings on my LAN connection only to find that it did not display. When a friend attempted to diagnose the problem, he discovered that my device manager was completely empty. Since this first instance, I have discovered many other problems. My iPod will not connect to iTunes. My Computer, Control panel, and Add/Remove programs are VERY slow to load. Most of the time, attempting to shut down the computer through the start menu leads to the computer freezing up, and I must hold down the power button to force a shut down. All of these problems still exist.

Attempted Fixes:
I have been living with this problem for years, so I unfortunately can't remember everything that I have done to try to fix it. Every so often I search the forums for a solution and try anything I can find, but after repeated failures, I give up for a while. The closest I have found to my problem came from annoyances.org. I followed every step from this posting: http://www.annoyance...inxp/1134095035. I think I have found the problem thanks to this site, but I still cannot fix it. After searching through the sub-keys under the Enum registry key, I identified one that is corrupt. I know it is corrupt because I cannot even open it. The key name is HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\SW\{ddf4358e-bb"c-11d0-a42f-00a0c9223196}. When I click on it, I get an error message "Cannot open {ddf4358e-bb”c-11d0-a42f-00a0c9223196}: Error while opening key." If I attempt to change the permissions, I get an empty window except for the message "Unable to display security information." If I attempt to delete the key, I get the error message "Cannot delete {ddf4358e-bb”c-11d0-a42f-00a0c9223196}: Error while deleting key." I suspect that if I can get rid of this registry key, it will fix my problem although I cannot be sure.

Although intending to post on this forum, I accidentally posted on the malware forum first. I was told that they didn't see any signs of malware present, and they cleared me of this being malware related.

Thanks for any advice you can give!!!
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#2
Broni

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    Kraków my love :)

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Did you try to open registry editor with regedt32, instead of regedit?
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#3
garfield_tsm

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Yes, I have tried both ways. I also tried opening it in safe mode and was still unable to do anything, although I can't remember if I used regedit or regedit32 while in safe mode.

And thank you so much for replying so fast! It was over 5 days first time I posted (in the wrong forum).
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#4
Broni

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    Kraków my love :)

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How do you actually know, {ddf4358e-bb"c-11d0-a42f-00a0c9223196} key is responsible?
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#5
garfield_tsm

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I'm not positive. It's mostly based on the fact that nothing else has worked, and I figure a corrupt registry key can't be a good sign.

I've followed all suggestions I could find on the issue in various forums, and the only one that led to any type of change or discovery was to search for corrupt registry keys. I know this one must be corrupt because I cannot open, change, or delete it. That is my only hint. If you think it is not related to this registry key, I am willing to try any other suggestions.
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#6
Broni

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Did you try this: http://helpdeskgeek....empty-or-blank/
Did you try to run "sfc /scannow"?
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#7
garfield_tsm

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Although I was pretty sure I had already done the steps at the website, I went through the steps again just to make sure. When I attempted step 2, after selecting "Reset permission entries on all child objects with entries shown here that apply to child objects," I clicked ok. It popped up the expected warning message, and after selecting "Yes" to continue, I got an error message. It said, "Registry Editor could not set security in the key currently selected, or some of its subkeys." I believe this is because of my pesky corrupt subkey, but once again, that's just a conjecture on my part.

I then ran the scan you suggested. I had not tried that before. Device manager still empty.
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#8
Alan_B

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I had a similar problem with RegEdit. I took ownership of a key but still could not delete it, because it held a sub-key that could not be deleted, because that held a sub-sub-key etc. etc. etc.

I downloaded Registrar Registry Manager (free) and that instantly showed me that 2000 keys were being held hostage by a couple of inaccessible keys,
and 3 or 4 clicks later the registry was nice again.

Alan
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#9
garfield_tsm

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Oh my gosh! I love you I love you I love you! I wasn't sure what to do with the program at first. Then I just ran the defragment, restarted, and my Device Manager was back!!! And all of the problems that had been plaguing me were gone! Blessings upon you! :) My ipod has new music for the first time in years...I'm so excited! Thank you both sooo much for your help! :)
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