Like the universe, my AppData Folder keeps expanding & expanding


  1. Mikemw
    Posts : 17
    Windows 7 Home Premium
       New #1

    Like the universe, my AppData Folder keeps expanding & expanding


    I have no idea what is going on with my system.
    I try to install a program and get an error message saying that it is unable to write to C:\Users\[MYNAME]\AppData\Local\Temp
    So I open Windows Explorer and check the attributes for that address and all is OK but every time I click on the Application Data folder it seems to replicate itself over and over.
    One error says that there is not enough space when I have over 65Gb free on that drive.
    Any ideas?

    Mike

    Screenshots:http://cid-72252c79ec533de7.photos.live.com/browse.aspx/Windows%207%20Problems?uc=1
    My System details
    Dell XPS420
    Windows 7 Home Premium (x64) Service Pack 1, v.721 (build 7601
    2.40 gigahertz Intel Core2 Quad Q6600
    64 kilobyte primary memory cache
    4096 kilobyte secondary memory cache
    64-bit ready
    Multi-core (4 total)
    Not hyper-threaded
    Bus Clock: 1066 megahertz
    8126 Megabytes Usable Installed Memory
    2000.20 Gigabytes Usable Hard Drive Capacity
    723.55 Gigabytes Hard Drive Free Space
    ATI Radeon HD 5700 Series [Display adapter]
    DELL E207WFP [Monitor] (20.0"vis, s/n G264H8770DZL, July 2008)
    ATI High Definition Audio Device
    Creative SB X-Fi
    Webcam Pro 9000
      My Computer
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  3. Ztruker
    Posts : 6,285
    Windows 10 Pro X64
       New #2

    The Application Data folder under AppData is a Junction point, which is just a pointer to AppData. So when you click on Application Data you are actually expanding AppData, so you are in a never ending circle.

    Confusing for sure. From what I understand, this was done to support compatibility with older software that expects an Application Data folder to be available.

    Here are two very good articles on Junctions as used in Vista and Windows 7.

    Windows Confidential - Junction Dysfunction - Raymond Chen

    Junction Points in Vista
      My Computer
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  4. Mikemw
    Posts : 17
    Windows 7 Home Premium
    Thread Starter
       New #3

    Thanks Rich, I'll have a crack at it tonight and let you know how I get on.

    Regards,
    Mike
      My Computer
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  6. logicearth
    Posts : 5,642
    Windows 10 Pro (x64)
       New #4

    The fact that you can access "Application Data" means permissions were altered, permissions that should not have been.
      My Computer
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  7. MacGyvr
    Posts : 1,326
    Windows 7 Ultimate RTM (Technet)
       New #5

    Mikemw said:
    I have no idea what is going on with my system.
    I try to install a program and get an error message saying that it is unable to write to C:\Users\[MYNAME]\AppData\Local\Temp
    So I open Windows Explorer and check the attributes for that address and all is OK but every time I click on the Application Data folder it seems to replicate itself over and over.
    One error says that there is not enough space when I have over 65Gb free on that drive.
    Any ideas?

    Mike

    Screenshots:http://cid-72252c79ec533de7.photos.live.com/browse.aspx/Windows%207%20Problems?uc=1
    My System details
    Dell XPS420
    Windows 7 Home Premium (x64) Service Pack 1, v.721 (build 7601
    2.40 gigahertz Intel Core2 Quad Q6600
    64 kilobyte primary memory cache
    4096 kilobyte secondary memory cache
    64-bit ready
    Multi-core (4 total)
    Not hyper-threaded
    Bus Clock: 1066 megahertz
    8126 Megabytes Usable Installed Memory
    2000.20 Gigabytes Usable Hard Drive Capacity
    723.55 Gigabytes Hard Drive Free Space
    ATI Radeon HD 5700 Series [Display adapter]
    DELL E207WFP [Monitor] (20.0"vis, s/n G264H8770DZL, July 2008)
    ATI High Definition Audio Device
    Creative SB X-Fi
    Webcam Pro 9000
    Use System Restore to go back to point in time before you altered the permissions on "Application Data."
      My Computer
    Quote Quote

 

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