User account file encryption certificate

Gamer11

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[h=2]Encryption problem - Please help[/h]

hello first
I encrypted some files using windows standard encryption it was good
and I saved the certificates for it done!
then I wanted to encrypt another file done but windows didn't ask me to save a key
or certificate this began to happen all time
I dont want to lose these files so I decided to decrypt them however it didnt work
installing the certificate wont work to
I changed user name and passwords a time ago is it associated to certificates ?
tip;I have more than a user names (8.1) (Matrix)
some times the owner is Matrix
sometimes is 8.1 what to do?
now all files wont open ?
regard thanks s.;​
 

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Hey Gamer,

If you are using EFS to encrypt the files, then all encrypted files will use the same certificate unless changed by you. If you change your user account's password from another account or at boot, then you would loose access to all your existing encrypted files.

Here's a couple of things you could try to regain access to your EFS encrypted files. :)

1) If you add a encrypted file to a zipped folder, the file will be unencrypted (decrypted) when extracted from the ZIP file.

2) You could try the 30 day free trial program Advanced EFS Data Recovery to decrypt the files.
 

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Hey Gamer,

If you are using EFS to encrypt the files, then all encrypted files will use the same certificate unless changed by you. If you change your user account's password from another account or at boot, then you would loose access to all your existing encrypted files.

Here's a couple of things you could try to regain access to your EFS encrypted files. :)

1) If you add a encrypted file to a zipped folder, the file will be unencrypted (decrypted) when extracted from the ZIP file.

2) You could try the 30 day free trial program Advanced EFS Data Recovery to decrypt the files.
thanks for joining Shawn
yes I am using EFS
Do I need to rename to old name and get the old password to my account to gain access to data again?
some of these files I encrypted them with microsoft account
some with local account

but I cant decrypt them Access is Denied
 

My Computer

System One

  • OS
    Win 10 Enterprise X64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Gamer11
    CPU
    Intel Core i7 5930k
    Motherboard
    ASUS X99 Deluxe
    Memory
    4x4 G.skill DDR4 2133mhz
    Graphics Card(s)
    GTX 780 Ti GHZ
    Screen Resolution
    1920x1080
    Hard Drives
    WD 2TB
    EVO 840
    PSU
    Corsair 850w
    Case
    NZXT switch 630
    Cooling
    Corsair H110
    Browser
    Firefox
    Antivirus
    Avira
Sorry, but renaming the account or changing the password back will not help. Once done, access is lost for good.

You might see if the two options I posted may be able to help gain access again.
 

My Computer

System One

  • OS
    64-bit Windows 10
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom self built
    CPU
    Intel i7-8700K OC'd to 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G7 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO PRO M.2,
    8TB WD MyCloudEX2Ultra NAS
    PSU
    OCZ Series Gold OCZZ1000M 1000W
    Case
    Thermaltake Core P3
    Cooling
    Corsair Hydro H115i
    Keyboard
    Logitech wireless K800
    Mouse
    Logitech MX Master 3
    Internet Speed
    1 Gb/s Download and 35 Mb/s Upload
    Browser
    Internet Explorer 11
    Antivirus
    Malwarebyte Anti-Malware Premium
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Galaxy S23 Plus phone
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