Error While Opening Key

[Confuzzed]

Not sure if this is in the correct forum, but here it goes.

Problem... after having a virus and getting it resolved here http://forums.malwarebytes.org/index.php?s...fuzzed&st=0

I have run into a problem trying to install some software. The installer says it cannot access the reg file.

When I run regedit, I get the error "Cannot open {26CE9193-6640-418a-B7DD-DC07D7F3BBBF}: Error while opening key.

I can not delete or change the key. It is located here:

HKEY_USERS\S-1-5-21-527237240-790525478-839522115-1003\Software\Microsoft\Windows\CurrentVersion\Settings\{76152C9D-0360-4843-85AD-1BDCE62EB374}\{26CE9193-6640-418a-B7DD-DC07D7F3BBBF}

The only other oddity is that I am not able to fully install a web cam. Of the two I tried, Skype does not recognize them even though they are certified by Skype. Not sure if this is related.

Microsoft Security Essentials and Malwarebytes Anti-Malware both turn up nothing. Everything else seems to be OK.

Thoughts?

[noknojon]

Hi Confuzzed -

What (if any) other Anti virus program(s) and Firewall(s) are you running with M.S.E. -

Something seems to still be blocking you -

Thank You -

[Confuzzed]

Just those two, and windows firewall....

Thanks

[AdvancedSetup]

Unless there is active Malware protecting the key then you should be able to open Regedit and select the key and change the permissions on it to full for your account. Take back Ownership and apply full rights to the key and sub keys.

[Confuzzed]

Well, that seems to be the problem. I can not open the key nor get to the permissions. It give me an "Unable to display security information" error. I can get to the subkey above it, and there are full permissions there. I am a bit lost.

[AdvancedSetup]

If it is the key above it as in a Parent key then change the permissions on the Parent key and apply it down through the sub-keys. Make sure you take back Ownership.

[Confuzzed]

Maybe I am either not following, or I am not being clear (either is very possible). Following up the path, the most nested key I can not access. The ones above it have full access. Does that make sense?

[AdvancedSetup]

Yes I understand. There are a couple of potential issues.

What operating system is it? XP, Vista, Win 7 ?

Here is an example of resetting the permissions assuming nothing is wrong with the hard drive or Malware preventing access.

The Parent folder is located here and is where you'll change the settings: HKEY_USERS\S-1-5-21-527237240-790525478-839522115-1003\Software\Microsoft\Windows\CurrentVersion\Settings

Then right click on that tree path Settings and choose Permissions

Then make sure that your account and other Admin accounts have FULL access (if not let me know)

Then check the box to replace permissiosn as shown below but do not click OK yet.

Then click on the OWNER tab and select the Administrators account (which your own account should be a member of already)

and then click the check box to Replace owner on subcontainers and objects and click OK

You will get a warning dialog box similar to the one shown. Click yes to make the change.

Then close Regedit and reopen and see if you're still getting the same error or not.

[Confuzzed]

I am running XP SP3.

I foloowed the above directions and get the follwoing error after clicking "yes" to continue.

Error: Registry Editor could not set security in the key currently selected, or some of its subkeys.

I'm stumped....

[AdvancedSetup]

You may have corrupted files on your disk. Please try running the following.

First close ALL Applications as this routine will automatically restart your computer.

Click on START - RUN and copy / paste the following entry into the box and click OK

CMD /C ECHO Y|CHKDSK C: /R | SHUTDOWN /R /T 30

Then try to change them again.