There are many reasons for macOS to not like an unsigned dmg. E.g. it might 
require a special permission from the admin.
I have this setup on an x86_64 macOS machine from my employer
There can also be an antivirus soft blocing suchdmgs


On 6 March 2024 12:14:54 GMT, Qian Yun <[email protected]> wrote:
>Hi Dr. Johannes,
>
>Can you check that the file you downloaded has the following md5sum:
>8ead8361582d5ecfde87240e909dcfd2
>
>Also I wonder if other people have the same problem...
>
>- Qian
>
>On 3/5/24 23:59, Dima Pasechnik wrote:
>> On Tue, Mar 5, 2024 at 10:39 AM Qian Yun <[email protected]> wrote:
>> 
>>> Thanks for your testing.  Although this message is not what I expected:
>>> I was expecting something like "app not signed".
>>> 
>>> The only (unlikely) explanation for this is the downloading process
>>> is corrupted.
>>> 
>> 
>> you can make sure this is not the case by computing and publishing md5 or
>> sha256 of the image,
>> then the image may be verified  for corruption during download.
>> 
>> 
>>> 
>>> - Best,
>>> - Qian
>>> 
>>> On 3/5/24 16:17, Prof. Dr. Johannes Grabmeier wrote:
>>>> Hi Quin,
>>>> 
>>>> not much info: double click on FriCAS symbol resulted in the pop up
>>>> window: Translation of German error message is:
>>>> 
>>>> FriCAS is corrupted and cannot be opened. Recommendation is to throw out
>>>> the image
>>>> 
>>>> 
>>>> Am 04.03.24 um 01:19 schrieb Qian Yun:
>>>>> Hi,
>>>>> 
>>>>> Can you give a more detailed description of the error?
>>>>> Very likely it is caused by the fact that this dmg is unsigned.
>>>>> 
>>>>> I hear that it is very verbose to install unsigned apps on macos-14,
>>>>> especially so on ARM machines.
>>>>> 
>>>>> - Qian
>>>>> 
>>>>> On 3/3/24 19:33, Prof. Dr. Johannes Grabmeier wrote:
>>>>>> Hi Qian,
>>>>>> 
>>>>>> Thanks for your effords. But it does not run on my machine. Double
>>>>>> Click (DiskImageMounter) first created an app with FriCAS-logo, but
>>>>>> this then gave an error. Now double click of the dmg file seems to do
>>>>>> nothing at all any longer.
>>>>>> 
>>>>>> Johannes
>>>>>> 
>>>>>> 
>>>>>> Am 03.03.24 um 05:22 schrieb Qian Yun:
>>>>>>> I just found out that github CI enabled arm64 macOS runner
>>>>>>> one month ago:
>>>>>>> 
>>>>>>> 
>>> https://github.blog/changelog/2024-01-30-github-actions-macos-14-sonoma-is-now-available/
>>>>>>> 
>>>>>>> So after some minor tweaking, the arm64 macOS build of FriCAS
>>>>>>> is available now:
>>>>>>> 
>>>>>>> 
>>> https://github.com/fricas/fricas-nightly-builds/releases/download/nightly/FriCAS-2024-03-03T03.49-macOS-arm64-52126cc2.dmg
>>>>>>> 
>>>>>>> I can't test it myself, so I invite arm Mac users to give it a test.
>>>>>>> Note that this file is not signed.
>>>>>>> 
>>>>>>> But if everything is fine, I can get my friend to sign the x86-64
>>>>>>> and arm64 version of 1.3.10 release dmg file.
>>>>>>> 
>>>>>>> P.S the new arm64 macOS runner is very fast: it can compile FriCAS
>>>>>>> and run tests in 3.5 minutes, twice the speed of Linux runner.
>>>>>>> 
>>>>>>> - Qian
>>>>>>> 
>>>>> 
>>> 
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>> 
>

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