User permissions incorrect (corrupted?) for admin account?

  1. Posts : 3
    Windows 10 x64

    User permissions incorrect (corrupted?) for admin account?

    I have a machine I have had for a few years and has been working fine. Suddenly a couple days ago Dropbox gave me an error that it couldn't start and said the error was 'usually because of a permissions error'. Since then, Photoshop will not start, saying it doesn't have access to some files it needs, and I have several other programs that are not working correctly with similar messages. My main account that I use is an admin account, but it is still giving these messages. I did figure out that if I start Dropbox or Photoshop in admin mode they start ok. Other programs also start as administrator and work better but some still seem to have issues.

    One program mentions the a folder under the local app data temp folder (C:\Users\*username*\AppData\Local\Temp) so I went there to see what I can see for permissions. My account is listed with full permissions to that folder. I do notice that there is an odd security item named 'LogonSessionId_0_1568081 (NT AUTHORITY)" that I don't remember seeing, but it's not listed as having any permissions at all except for 'special permissions' which is grayed out... If I go to 'Advanced' and 'Edit' for that account it shows basic permissions of 'Read & Execute, List folder contents, and Read'.

    I also found in a subfolder of the above named 'UnionWinmdWorkingFolder'. When I go to permissions here it tells me 'You do not have permission to view this objects security properties, even as an administrative user.'

    Lastly, along side that temp folder, There are 53 folders named something like 'Tempzxpsign0ce74a38c9836c50' (All start with 'Tempzxpsign' and then have a bunch of letters and numbers after them). All appear to be empty from what I can see.

    The only things I can think of that I have installed recently are the Angular CLI and one or two node.js packages but those were well before the issue started...

    Anyone else seen this or had this issue? Is this some type of virus? BitDefender doesn't detect anything...
      My Computer

  2. Posts : 3
    Windows 10 x64
    Thread Starter

    I also forgot to mention that I tried to create another admin local account on the machine. That worked and that account can start Photoshop and others without running as admin. However on that account whenever I try to go to a webpage it says could not load with a 'connection timed out' error... It shows I'm connected to the wifi and have internet access but both chrome and edge won't load a page... Not sure if that's related or not...
      My Computer

  3. Samuria's Avatar
    Posts : 6,706
    windows 10

    Welcome to the forum. Just because your admin doesnt give you full rights many folders are owned by system which is above admin these are set for system critical folders so you can knacker windows. A lot of users folders are owned by the user and often admin has no rights on them as well.
    When you install some software it asks if you want everyone to use it or just you depending on the answer it put needed files were everyone can load them or in private folder for the user.

    The tmp files folder may be in use and will be owned by the software disk clean will remove them as it runs as system.
      My Computer

  4. Posts : 3
    Windows 10 x64
    Thread Starter

    ok that makes some sense as far as the system permissions. However, why would a bunch of programs suddenly not have access to the necessary folders for them to run when all were running fine recently? I also tried the grant via cmd prompt as described at Dropbox is stuck syncing, won't open, or shows an error – Dropbox Help (see 'Windows' section under 'Permissions Error'). That is specific to Dropbox but Dropbox still had the same error after doing that.
      My Computer


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