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access denied c: drive

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by sanjubaba5

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hi

i am in serious trouble. i am not able to access my c: drive(when i open my computer it is shown like (Access Denied (c wherever i click on the icon it says c:\ not accessable. Access Denied. For this drive the sharing and security tab in the properties window is missing. so i cant view the permissions also. Please help me to gain access to my i: drive.

As per my knowledge it must be somthing to do with the permissions.

Please find a solution, it would be very nice of you people.

my hdd capicity is 250 gb i have two partition with NTFS and i have OS is Windows Vista so please soluation reply as early as possible

i will not access any kind of command like i will not chage my computer name it will display the message c: access denied.

Kind Regards

sanjay

15 replies

by c.barbosa

Hello, did you ever figure out how to fix the problem, I'm having the same exact issue on my external drive.
Let me know how you made out with it.
Thanks

by charnchon

Right click on "My Computer"
Select "Manage"
Open "Removable Storage"
Expand "Libraries"
Select your external drive
Right click and choose "Properties"
Open "Security" tab
Click "Add" to add yourself to have control over the drive.

Hope this help!

by taylor.jamiel

I am actually trying to turn on a printer spooler. I need to right click mycomputer and click manage. But when I do this I get an error message that says access denied.

Any ideas?

by dejoyjm

Hi all

After 7 days of painful research, I finally have access back to my C drive.

How did the problem start: I was playing around with security settings-
1. Right clicked C dive
2. Security
3. Edit permissions
4. Authenticated Users
5. I clicked on Deny All for Full control
6. Ok (no no never do it :)

Since then I had the message access denied to C drive. The problem almost handicaps all normal operation in Vista.

Solution: (While I could solve the problem, I am not fully sure of the order in which I performed the following tasks. So little bit of trail and error might me required)
The key is to
1. Login in safe mode with command prompt
2. In command prompt Type - NET USER Administrator /active:yes
The key is to be able to login as administrator. http://www.computerperformance.co.uk/vista/vista_administrator_activate.htm should give you more clarity. Dont worry if you get an error message, you might have to do some of the following steps.
3. Try NET STOP ProfSvc - this should stop the User profile service and bring you back to the login page - and if you are lucky you will have an Administrator login there. It might not have a password if you did not set up a password when you configured the system.
3. Control Alt Delete, start task manager, Applications, New Task, explorer - this should bring up the start menu etc
4. Start - msconfig - Tools - Disable UAC - the key to get out of this access denied problem is to disable the User Account Control. Dont worry if you get an access denied message here http://www.petri.co.il/disable_uac_in_windows_vista.htm this link explains different ways you can disable UAC. For me the manual editing of Registry worked
5. So again msconfig, tools, Registry Editor and go to HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System. Locate the following value (DWORD): EnableLUA and give it a value of 0.
6. Once UAC is disabled - right click C drive, Security, Advanced, Effective permission (I guess), Authenticated user and Allow all - you might have to play around this step because I do not recall the exact steps.

Good Luck

by bni1369

I made the 'same I/T 101 boo-boo' you did. Functioning on less than 3hrs. sleep and working on a computer is simply a BAD idea. Anyway, I followed your procedure. It worked beautifully. I was able to reset all the permissions on C: with no problem. Many thanks.

bni1369@yahoo.com

by seanblaze-

thank you so much. you were totally right really helped! i was bout to go nuts. thanks so much! thank you thank you!

by nikwold

dejoyjm.
u r such a great guy. i was able to resolve the issue like u suggested. thanx and keep the good work.

nikwold

by robdup

Dude... THANK YOU!!! I've been looking for this answer for days now. This happened to my computer at work while I was trying to deny access to a newly created Guest account. It turned on me and denied all accounts access to the C: drive. But this totally fixed it. I also had to go the manual route for disabling the UAC.

THANK YOU THANK YOU THANK YOU!

by pleasemandy

it is very hard for me to understand this. if you can explain it better then thanks.

by vitor22

1. Login in safe mode with command prompt - OK
2. In command prompt Type - NET USER Administrator /active:yes
The key is to be able to login as administrator. http://www.computerperformance.co.uk/vista/vista_administrator_activate.htm should give you more clarity. Dont worry if you get an error message, you might have to do some of the following steps. - OK
3. Try NET STOP ProfSvc - this should stop the User profile service and bring you back to the login page - and if you are lucky you will have an Administrator login there. It might not have a password if you did not set up a password when you configured the system.- Stop de service but don't bring back to login page
3. Control Alt Delete, start task manager, Applications, New Task, explorer - this should bring up the start menu etc - Explore don't work.
4. Start - msconfig - Tools - Disable UAC - the key to get out of this access denied problem is to disable the User Account Control. Dont worry if you get an access denied message here http://www.petri.co.il/disable_uac_in_windows_vista.htm this link explains different ways you can disable UAC.??????? For me the manual editing of Registry worked
5. So again msconfig, tools, Registry Editor and go to HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System. Locate the following value (DWORD): EnableLUA and give it a value of 0.????????
6. Once UAC is disabled - right click C drive, Security, Advanced, Effective permission (I guess), Authenticated user and Allow all - you might have to play around this step because I do not recall the exact steps. ????????

by aquabot

Just wanted to say thank you. I know this is a year old and I doubt you read it but THANK YOU!!! After a good few hours this worked perfectly. I wish I could buy you a beer or something. Thanks again!

by gary56789

No guarantees, but try this:

Click Start - Run - CMD and run these :

del /f /q /a c:\autorun.inf;d:\autorun.inf
set key=HKLM\SOFTWARE\Microsoft\Windows
reg.exe delete "%key%\CurrentVersion\Explorer\DriveIcons\C" /f
reg.exe delete "%key%\CurrentVersion\Explorer\DriveIcons\D" /f

by spieker55

great thanks for your post, already posted here for 2 years but still helpfull

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