Search Unity

  1. Megacity Metro Demo now available. Download now.
    Dismiss Notice
  2. Unity support for visionOS is now available. Learn more in our blog post.
    Dismiss Notice

Cannot perform upm operation: EPERM help cannot add packasges

Discussion in 'Package Manager' started by calvinstreeting, Jan 29, 2020.

  1. calvinstreeting

    calvinstreeting

    Joined:
    Jun 14, 2019
    Posts:
    15
    hi brand new install of unity on fresh install of windows and i cannot add packages
    1. i have check folder permisons (owned by me full control)
    2. turned of AV

    Cannot perform upm operation: EPERM: operation not permitted, rename 'C:\Users\XXXXXXXXXXXXXXXXXXXXXXXX\Library\PackageCache\.tmp26336eJD8D5P246Gs\copy' -> 'C:\Users\XXXXXXXXXXXXXXXXXXXXXXXX\Library\PackageCache\com.unity.recorder@2.1.0-preview.1' [NotFound]
    UnityEditor.EditorApplication:Internal_CallUpdateFunctions()


    any other ideas?
     
  2. calvinstreeting

    calvinstreeting

    Joined:
    Jun 14, 2019
    Posts:
    15
    scratch that... "windows defender" stoped it
     
  3. LittleNiu

    LittleNiu

    Joined:
    Oct 18, 2014
    Posts:
    5
    If "windows defender" is innocent, you can try open unity with admin permissions