7-zip error deleting file or folder ... read-only

Discussion in 'Windows 10' started by shhnedo, Nov 6, 2016.

  1. shhnedo

    shhnedo MDL Senior Member

    Mar 20, 2011
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  2. T-S

    T-S MDL Guru

    Dec 14, 2012
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    Did yo try to launch 7zip as administrator? Does it work this way?
     
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  3. President_Trump

    President_Trump MDL Novice

    Nov 6, 2016
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    When you right-click and view file/folder properties, do they show they are "read only"?
     
  4. endbase

    endbase MDL Guru

    Aug 12, 2012
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  5. T-S

    T-S MDL Guru

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    never had a problem either. Almost surely the culprit is some messed permission, possibly in the systemwide temp folder which 7zip uses if not instructed differently
     
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  6. шдяу183

    шдяу183 MDL Novice

    Jul 23, 2015
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    I have this problem only 2-3 last insiders builds, helped - kill Smart Screen process in task manager before deleting files/folders.
     
  7. Tito

    Tito Super Mod / Adviser
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    Nov 30, 2009
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    @shhnedo

    7-Zip doesn't support creation (as well as modification) of ISO/IMG files. Its better to use appropriate utility, like UltraISO/PowerISO.
     
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  8. T-S

    T-S MDL Guru

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    True, but in OP he talks about .zip as well
     
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  9. shhnedo

    shhnedo MDL Senior Member

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    #9 shhnedo, Nov 6, 2016
    Last edited: Nov 6, 2016
    (OP)
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  10. Enthousiast

    Enthousiast MDL Tester

    Oct 30, 2009
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    7zip can open ISO but not save as ISO, maybe you're confused by the 7zip icon at ISO's when you associate ISO files with 7zip.
     
  11. shhnedo

    shhnedo MDL Senior Member

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    I know my way around computers and I am aware of the file extensions. And no, I haven't assigned 7-zip to open iso's by default, I just right-click and open the iso in the 7-zip file manager. Then I delete what I want to delete and simply close the 7-zip file manager. That's it, that's all i've been doing untill now.
     
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  12. kaljukass

    kaljukass MDL Addicted

    Nov 26, 2012
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    Quite likely is it that You have no rights to edit this file. You must take ownership, ie get permission to change it.
    It is a daily problem in recent days, when people want delete or change files, but forget, that if these files are transported there from old system, then they don't have any permissions to change them. Usually have that permission trusted installers, system and administrator(s), but usually people have changed username, password, even the computer ID and new admistrator is not the adminatsrator for these old files. He/she is simple user who has only permission to see and open this file, nothing else.
     
  13. shhnedo

    shhnedo MDL Senior Member

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    I've played around with permissions enough. Besides, as i said, this started just recently. I've done countless windows installs and moved even more folders/files around without encountering this problem. Not even once. That's the thing, it happened just like that, without me doing/changing anything...
     
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  14. Enthousiast

    Enthousiast MDL Tester

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    I give up, what part of 7zip can't modify iso's don't you get?

    Just do what Tito said, use a proper ISO tool to create/modify/save ISO's, like PowerISO or UltraISO.
     
  15. rpo

    rpo MDL Addicted

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    I just created a .iso file with Ultraiso and tried to delete a file inside this .iso using 7-zip 2016-10-04 : the request is rejected. I ran the test on Windows 10 AU, Windows 7 sp1 and Windows XP SP3. Perhaps an earlier release of 7-zip is able to delete a file/folder in a .iso, but I doubt.
    The documentation states that iso is NOT a supported format for creation. But zip files can be created/modified.
     
  16. glennsamuel32

    glennsamuel32 MDL Senior Member

    Jul 15, 2012
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    LOL @Enthousiast

    You beat me to it by seconds ;)
     
  17. shhnedo

    shhnedo MDL Senior Member

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    Is my english that broken? Where have I ever claimed that 7-zip CAN CREATE/MODIFY/SAVE iso's??? I'll say it again, I know my way around computers, I know what installed 7-zip for and I know what it can and can't do. I simply said that until recently I could simply open an iso through 7-zip file manager and delete whatever I want, then just close the file manager and boom, job done - no errors, no problems. Whereas now I can't even do it with a simple .ZIP FILE, let alone an iso. I also said I'm not gonna try to "fix" something that's actually working as intended, so I'll just use PowerISO as I've done in the past. End of story. Now what part of all this don't YOU get?
     
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  18. Enthousiast

    Enthousiast MDL Tester

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    Most recent time you mentioned to be able to modify an iso using 7-zip: