# Unable to install Roundcube : possibly "due to a conflict with another app"
**URL:** https://forum.yunohost.org/t/unable-to-install-roundcube-possibly-due-to-a-conflict-with-another-app/42164
**Category:** Support apps
**Tags:** roundcube, english
**Created:** [May 1, 2026, 4:58am UTC](https://forum.yunohost.org/t/unable-to-install-roundcube-possibly-due-to-a-conflict-with-another-app/42164 "2026-05-01T04:58:06Z")
**Posts on this page:** 10
**Page:** 1
### Author:  [@elgee](https://forum.yunohost.org/u/elgee)
#### Post date: [May 1, 2026, 4:58am UTC](https://forum.yunohost.org/t/unable-to-install-roundcube-possibly-due-to-a-conflict-with-another-app/42164/1 "2026-05-01T04:58:06Z")
**What app is this about, and its version** : Roundcube 1.6.15~ynh1
**What YunoHost version are you running** : 12.1.39 (stable)
**What type of hardware are you using** : VPS bought online
### Describe your issue
I am trying to install Roundcube. But the install gets aborted indicating that the dependencies could not be installed. The log ends with these lines:
2026-04-30 23:30:48,540: WARNING - Unable to install apt dependencies, it might be due to a conflict with another app - or you should check and share the previous log about what are the problematic dependencies
2026-04-30 23:30:49,049: ERROR - provision\_or\_update failed for apt : An error occured inside the script snippet : Unable to install apt dependencies, it might be due to a conflict with another app - or you should check and share the previous log about what are the problematic dependencies
The full log is linked below. What should I do to fix this issue?
### Share relevant logs or error messages
[https://paste.yunohost.org/raw/oweyaceniq](https://paste.yunohost.org/raw/oweyaceniq)
---
### Author:  [@ppr](https://forum.yunohost.org/u/ppr)
#### Post date: [May 1, 2026, 6:53am UTC](https://forum.yunohost.org/t/unable-to-install-roundcube-possibly-due-to-a-conflict-with-another-app/42164/2 "2026-05-01T06:53:29Z")
Hello,
It seems related to this :
> [@Can't upgrade or install roundcube: php8.5-cli : Depends: php8.5-readline but it is not going to be installed](https://forum.yunohost.org/t/cant-upgrade-or-install-roundcube-php8-5-cli-depends-php8-5-readline-but-it-is-not-going-to-be-installed/42130/2):
>
> sudo apt update sudo apt dist-upgrade Then try again. Basically APT cached some old version that no longer exists. If you get deb.sury.org key error see [Yarn and Sury APT keys issues](https://forum.yunohost.org/t/yarn-and-sury-apt-keys-issues/41617)
ppr
---
### Author:  [@elgee](https://forum.yunohost.org/u/elgee)
#### Post date: [May 1, 2026, 4:17pm UTC](https://forum.yunohost.org/t/unable-to-install-roundcube-possibly-due-to-a-conflict-with-another-app/42164/3 "2026-05-01T16:17:25Z")
I did try update and dist-upgrade. But it didn’t resolve the issue.
As far as I understood, there aren’t issues related to [deb.sury.org](http://deb.sury.org) … or are there?
---
### Author:  [@ppr](https://forum.yunohost.org/u/ppr)
#### Post date: [May 3, 2026, 9:39am UTC](https://forum.yunohost.org/t/unable-to-install-roundcube-possibly-due-to-a-conflict-with-another-app/42164/4 "2026-05-03T09:39:51Z")
Hello,
Maybe something similar here :
> [@Castpod Yarn and Sury APT keys issues](https://forum.yunohost.org/t/castpod-yarn-and-sury-apt-keys-issues/42176/2):
>
> It seems to be a connectivity issue. What do return ping packages.sury.org ping 9.9.9.9
ppr
---
### Author:  [@JfmbLinux](https://forum.yunohost.org/u/JfmbLinux)
#### Post date: [May 3, 2026, 11:44am UTC](https://forum.yunohost.org/t/unable-to-install-roundcube-possibly-due-to-a-conflict-with-another-app/42164/5 "2026-05-03T11:44:36Z")
```auto
sudo apt --fix-broken install
```
```auto
sudo apt update
```
Try the installation again
---
### Author:  [@elgee](https://forum.yunohost.org/u/elgee)
#### Post date: [May 5, 2026, 12:33pm UTC](https://forum.yunohost.org/t/unable-to-install-roundcube-possibly-due-to-a-conflict-with-another-app/42164/6 "2026-05-05T12:33:36Z")
I tried the solution given in [Yarn and Sury APT keys issues](https://forum.yunohost.org/t/yarn-and-sury-apt-keys-issues/41617)
```auto
apt-get install extrepo
extrepo enable sury
```
I now get a different set of error messages. Can you take a look at this log, please: [https://paste.yunohost.org/raw/acelovihez](https://paste.yunohost.org/raw/acelovihez)
---
### Author:  [@elgee](https://forum.yunohost.org/u/elgee)
#### Post date: [May 5, 2026, 1:07pm UTC](https://forum.yunohost.org/t/unable-to-install-roundcube-possibly-due-to-a-conflict-with-another-app/42164/7 "2026-05-05T13:07:36Z")
> [@JfmbLinux](#):
>
> ```auto
> sudo apt --fix-broken install
>
> ```
>
> ```auto
> sudo apt update
>
> ```
I tried this also. But that too didn’t resolve the issue.
---
### Author:  [@otm33](https://forum.yunohost.org/u/otm33)
#### Post date: [May 5, 2026, 1:07pm UTC](https://forum.yunohost.org/t/unable-to-install-roundcube-possibly-due-to-a-conflict-with-another-app/42164/8 "2026-05-05T13:07:55Z")
> [@Yarn and Sury APT keys issues](https://forum.yunohost.org/t/yarn-and-sury-apt-keys-issues/41617/7):
>
> Je ne suis pas sûr que cela fasse bon ménage avec un sudo yunohost tools regen-conf apt : il va y avoir deux clés (différentes a priori) pour un seul dépôt. Cela va poser problème. I think this will cause a key mismatch when the sudo yunohost tools regen-conf apt command will be run : two (different, I guess) keys for a single repo : there will be an issue IMHO.
I would remove the extrepo\_sury.sources and if needed, re-run
```auto
sudo rm /etc/apt/trusted.gpg.d/{yarn,extra_php_version}.gpg
sudo yunohost tools regen-conf apt
sudo apt update
```
---
### Author:  [@elgee](https://forum.yunohost.org/u/elgee)
#### Post date: [May 5, 2026, 1:14pm UTC](https://forum.yunohost.org/t/unable-to-install-roundcube-possibly-due-to-a-conflict-with-another-app/42164/9 "2026-05-05T13:14:49Z")
> [@otm33](#):
>
> I would remove the extrepo\_sury.sources and if needed, re-run
>
> ```auto
> sudo rm /etc/apt/trusted.gpg.d/{yarn,extra_php_version}.gpg
> sudo yunohost tools regen-conf apt
> sudo apt update
>
> ```
This worked. I was able to install Roundcube after all. Thank you very much!
---
### Author:  [@system](https://forum.yunohost.org/u/system)
#### Post date: [May 20, 2026, 1:14pm UTC](https://forum.yunohost.org/t/unable-to-install-roundcube-possibly-due-to-a-conflict-with-another-app/42164/10 "2026-05-20T13:14:51Z")
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