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Registry problem?

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I first noticed this when I was uninstalling an old version of Adobe Reader, more specifically version 8.1.1. As it was uninstalling, this error popped up:

Unable to access key within HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OptionalComponents\MSFS. Log in as Administrator.

Something along those lines. Anyway, I ended up fixing the problem by using regedit to edit the permission settings of the MSFS folder. However, I was still getting the error except this time the registry location ended at OptionalComponents so I edited the permission settings of that too until I could finally uninstall the [bleep] Reader without the error. Needless to say, I edited quite a few permissions. I was following advice from this official Adobe support page: http://kb2.adobe.com...329/329137.html
However, I cannot remember to which folder I had stopped messing with the permissions.

I had another program try to access C:\Documents and Settings\A2Z\Local Settings\Application Data\Equilab\info.ini and was hit with a

Encountered a sharing violation when accessing info.ini


Also, when I open msconfig (mainly to disable/enable startup entries) and end up going over the services tab (either by clicking it by accident or what have you), as soon as I press Okay to confirm things, it will give me an Access Denied error:

An Access Denied error was returned while attempting to change a service. You may need to log on using an Administrator account to make the specified changes

I run Windows XP with one account, no guest accounts, but there is an Administrator when I boot in 'Safe Mode'. If anyone has this setup, let me know what the default is in the 'Group or user names' when you access the Permissions settings by right-clicking each of these in regedit: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OptionalComponents\MSFS. Please see the above Adobe link for details on what I had altered.

If anyone has any other solution or idea how I may have got this to happen let me know. After all, I have been running these malware scans all day (OTL, ComboFix, DDS, you name it), perhaps one of them could have changed some registry settings?


Last thing: does anyone know where MSCONFIG is located in the registry? Maybe that will help as to whether or not the permission settings effected it. It could only have affected it if MSCONFIG is located within or somewhere along the way of: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OptionalComponents\MSFS.
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My advice, for what it is worth, is DO NOT attempt to alter registry settings.
Unless you really know what you are doing, it usually ends with disaster.
Did you not establish a registry back up before the changes, presumably not.

That all said, does the answer not lie in the link to the Adobe site on the "establish you have Administrator rights."

Additionally ComboFix is a very unwise application to run unless you are experienced in its use.

I suggest you wait for a reply from someone who has a knowledge of what may have happened.
There are people on this site who have that knowledge.
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Go to
Start and then to Run
Type in Chkdsk /r Note the space between k and /
Click Enter ...It will probably ask if you want to do this on the next reboot...click Y
If the window doesn't shutdown on its own then reboot the system manually. On reboot the system will start the chkdsk operation
This one will take longer then chkdsk /f

Note... there are 5 stages...
It may appear to hang at a certain percent for a hour or more or even back up and go over the same area...this is normal...
This can take several hours to complete.
When completed it will boot the system back into windows.

Let me know if this fixes the problem

Go Start and then to Run ("Start Search" in Vista),
Type in: sfc /scannow
Click OK (Enter in Vista).
Have Windows CD/DVD handy.
If System File Checker (sfc) finds any errors, it may ask you for the CD/DVD.
If sfc does not find any errors in Windows XP, it will simply quit, without any message.
In Vista you will receive the following message: "Windows resource protection did not find any integrity violations".

For Vista users ONLY: Navigate to C:\Windows\Logs\CBS folder. You'll see CBS.log file.
Usually, it's pretty big file, so upload it to Flyupload, and post download link.

If you don't have Windows CD....
This applies mostly to Windows XP, since Vista rarely requires use of its DVD while running "sfc"
Note This method will not necessarily work as well, as when using Windows CD, because not always ALL system files are backed up on your hard drive. Also, backed up files may be corrupted as well.

Go Start and then Run
type in regedit and click OK

Navigate to the following key:


You will see various entries Values on the right hand side.

The one we want is called: SourcePath

It probably has an entry pointing to your CD-ROM drive, usually D and that is why it is asking for the XP CD.
All we need to do is change it to: C:
Now, double click the SourcePatch setting and a new box will pop up.
Change the drive letter from your CD drive to your root drive, usually C:
Close Registry Editor.

Now restart your computer and try sfc /scannow again!

Thanks to Broni for the instructions
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I see you found it anyway. Thks.
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You are welcome.
Between the two sets of instructions i think what we are looking at is a OS issue and not a registry issue.,
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