nav[aria-label="Primary Navigation"] { padding: 0; & ul { list-style: none; width: 100%; display: flex; flex-direction: row; justify-content: start; align-items: start; gap: 30px; padding: 0; & li { margin: 0; } & ul li { list-style: none; } } }

Siemens Community Catalyst Program

The Siemens Community Catalyst program was co-created with our community to acknowledge technology leaders who consistently contribute to the Siemens Community. Nominations are accepted on a rolling basis.

Nominate Now

Error: Unable to access license store

Gabriel_P1

When I open the almutil_gui file from the path C:\Altair\Altair_PSIM_2026.1\security\gui, click on "Activate" (as shown in the attached screenshot), and enter my license key, the following error appears: "Error: Unable to access license store". Additionally, the Activate button is disabled.

Find more posts tagged with

Academic

PSIM

Accepted answers

Ankita_v

Do you have full read and write permissions in the license store location? You can try running as administrator and make sure you have admin permissions so license is created in the license store.

All comments

Ankita_v

Do you have full read and write permissions in the license store location? You can try running as administrator and make sure you have admin permissions so license is created in the license store.

Ankita_v

Please try the suggested steps this discussion -

https://community.altair.com/discussion/comment/200137#Comment_200137

Also you need to ensure you are following step 3 and 4 exactly as specified -

Instructions to Access the Free Altair Student Edition - now in Altair One! - Altair Community

Pls also see the following discussion, it might be helpful - Problem with PSIM License - Altair Community

Gabriel_P1

I installed the 2024 version and it worked perfectly, thank you.