# Cannot be opened for writing errors after update to v3.04

**URL:** <https://community.mp3tag.de/t/cannot-be-opened-for-writing-errors-after-update-to-v3-04/51522>\
**Category:** Support\
**Created:** [January 9, 2021, 3:17pm UTC](https://community.mp3tag.de/t/cannot-be-opened-for-writing-errors-after-update-to-v3-04/51522 "2021-01-09T15:17:00Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Renegade](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/r/b4bc9f/32.png) [@Renegade](https://community.mp3tag.de/u/Renegade)\
**Post date:** [January 9, 2021, 3:17pm UTC](https://community.mp3tag.de/t/cannot-be-opened-for-writing-errors-after-update-to-v3-04/51522/1 "2021-01-09T15:17:00Z")

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Just upgraded and no matter what I try to change Mp3 says "cannot be opened for writing"

Even if I just click something to type to over where all the files are listed and don't change anything, when I click on another file Mp3 gives me the same message,

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**Author:** ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)\
**Post date:** [January 9, 2021, 4:14pm UTC](https://community.mp3tag.de/t/cannot-be-opened-for-writing-errors-after-update-to-v3-04/51522/2 "2021-01-09T16:14:14Z")

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You will find a fair number of threads dealing with "cannot be opened for writing", e.g. this one:

> [@Cannot open file for writing error](https://community.mp3tag.de/t/cannot-open-file-for-writing-error/14765):
>
> I frequently get the subject error when trying to write tags to blank fields or end tags that are already in place. The files are mp3 and mp4 files downloaded from public sources like LibriVox. I have read the previous discussions on this forum about this and have not yet found a simple or consistent method make the problem stop. I also use the M4A MP3 Converter V4.3 build 1025 software to convert files to and from various formats and to increase the volume so I can hear them better (I have a…

Could you first use the search function and have a look a the existing threads and then, if the problem persists, tell us what you do and what you already tried to remedy the issue?

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**Author:** ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)\
**Post date:** [February 9, 2026, 12:29pm UTC](https://community.mp3tag.de/t/cannot-be-opened-for-writing-errors-after-update-to-v3-04/51522/3 "2026-02-09T12:29:00Z")

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