Windows 10: Access denied to C: drive serious issues

Discus and support Access denied to C: drive serious issues in Windows 10 Support to solve the problem; Following a successful upgrade from my PC running Windows 7 pro 64bit I had a short while running OK. I then had a Notepad window appear on startup... Discussion in 'Windows 10 Support' started by Jeff o, Jun 11, 2016.

  1. Jeff o Win User

    Access denied to C: drive serious issues


    Following a successful upgrade from my PC running Windows 7 pro 64bit I had a short while running OK. I then had a Notepad window appear on startup together with a sub window saying 'access denied'. Clearing these was no problem but I asked on another forum how to get rid of these messages. I was told to change the access rights on my C: drive and that was when my problems really started.

    Now I can't access my C: drive at all and most of my programs transferred from W7 are not working. Whatever I do I get a message saying 'access denied'! My D: drive (partitioned) is fully OK.

    I have tried to change the access rights in C: ---- Denied
    I have tried to recovery/reset on my W10 ----Failed
    I have tried to revert back to W7. It got 1% into making the change and stopped ---- Failed
    I even tried option 4 in this link Administrator account - Enable or Disable in Windows 10 - Windows 10 Forums but I got as far as putting REM_SAM into the Load Hive and it said it was already in use ----Failed

    Although I have a backup of all my personal folders and files I do not have a backup of my W10 set up. I think I have a backup of my Windows 7 but it is not up to date and I am not really sure how to use it.
    I really need help on this one. I have over 20 programs that were successfully transferred over to W10 most of which I need but am not sure how to reload them if they are lost. Most are not now working!

    :)
     
    Jeff o, Jun 11, 2016
    #1
  2. bap2690 Win User

    C: Access is denied

    I tried to block C, D and F drive from standard users. Post that, I am not able to access these drives.

    I tried both methods given in below link -

    C drive access denied in windows 10

    I am unable to use any regedit option as acessss to C drive is denied.

    Still issue persist. Kindly siggest.
     
    bap2690, Jun 11, 2016
    #2
  3. C drive access denied

    When I click on C drive it shoe me that "Access is Denied" & on properties open in security option there not show Administrator or Group. How can I fix this problem.
    Access denied to C: drive serious issues [​IMG]

    Access denied to C: drive serious issues [​IMG]

    Access denied to C: drive serious issues [​IMG]

    Access denied to C: drive serious issues [​IMG]
     
    IftekherAlam, Jun 11, 2016
    #3
  4. bookfox Win User

    Access denied to C: drive serious issues

    IMO, as it sounds like you've done everything else, including the attempted 'recovery/reset' - have you tried reinstalling 10 from a USB media?
     
    bookfox, Jun 11, 2016
    #4
  5. flybynite Win User
    I think you have a virus judging from those pop-ups you got.
     
    flybynite, Jun 11, 2016
    #5
  6. Jeff o Win User
    Thanks bookfox for that suggestion. How do I go about using a USB to reinstall W10. I did download W10 to get me going in the first place as the W7 upgrade did not work. The file was Windows10Upgrade9252.exe . Would this be the file you mentioned?
     
    Jeff o, Jun 11, 2016
    #6
  7. flybynite Win User
    You need to go to this website. Code: https://www.microsoft.com/en-us/software-download/windows10/[/quote]
     
    flybynite, Jun 11, 2016
    #7
  8. NavyLCDR New Member

    Access denied to C: drive serious issues

    Where did you get that file from? I have never seen anything close to that coming from Microsoft.
     
    NavyLCDR, Jun 11, 2016
    #8
  9. Jeff o Win User
    Sorry about the delay in answering but I have been doing a deep virus scan. A few corrupt files but no big concerns.
    I forget where I got the upgrade file from but as I was getting nowhere with the W7 to W10 auto upgrade and MS was far from helpful so I probably asked in my Computer forum and given a link there.
    Do I use this again to reinstall W10?
     
    Jeff o, Jun 12, 2016
    #9
  10. NavyLCDR New Member
    NavyLCDR, Jun 12, 2016
    #10
  11. flybynite Win User
    flybynite, Jun 12, 2016
    #11
  12. Jeff o Win User
    Thanks for the links to the ISO download . Looks as if I will have to do it via another PC as I don't have any admin rights on this PC any more.

    I have a few questions following any new installation:

    1. Will the replacement W10 be the pro 64bit version as I have now?
    2. I am using Windows Live Mail ( in W10) that has my email addresses and stored emails. Will I be able to install WLM into the new build? And how can I get all my currently stored old email mails transferred?
    3. I am also successfully using several other programs including Office 2003 & Photoshop CS2, both of which I have the correct keys. Will I be able to load and use these programs OK?
     
    Jeff o, Jun 12, 2016
    #12
  13. Jeff o Win User

    Access denied to C: drive serious issues

    So I used my laptop to download the ISO file (4.2GB took over 2hrs) to download but when I went to move it to a new 32GB USB it said the file was too big and there was not was not enough space! I then had to find a portable DVD burner to get it on a disc. Very slow, probably about an hour.
    Having got this ISO image how exactly do I use it? The information about product keys, time limits on the use of the ISO and MOUNTing the disc is getting me very confused.
     
    Jeff o, Jun 12, 2016
    #13
  14. Jeff o Win User
    I have been downloading the ISO file to my USB now for over 3 1/2 hrs and still it says 'Getting a few things ready'. how long do think it should take?
     
    Jeff o, Jun 12, 2016
    #14
  15. simrick Win User
    Hi @Jeff o, I thought we had moved to your new thread?
    Windows 10 access issues now trying to re-install from ISO on DVD - Windows 10 Forums

    How are you downloading the ISO, using the Media Creation Tool? I don't know what your internet speed is, but I would think you should be about finished by now?
     
    simrick, Jun 12, 2016
    #15
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Access denied to C: drive serious issues

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