# \#no-valid-license-found

**URL:** https://forum.plexim.com/tag/no-valid-license-found/356.md

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## [Dismiss last username and change user to work with plecs software](https://forum.plexim.com/t/dismiss-last-username-and-change-user-to-work-with-plecs-software/660)

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**Author:** [@tommaso.magnani](https://forum.plexim.com/u/tommaso.magnani)\
**Replies:** 1\
**Last updated:** [May 23, 2019, 10:49am UTC](https://forum.plexim.com/t/dismiss-last-username-and-change-user-to-work-with-plecs-software/660 "2019-05-23T10:49:50Z")

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Hello forum, we need to rehost PLECS software to another username on the same workstation, we have to contatc support? thanks Tommaso

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## [The plecs blockset's license can not be found in MATLAB](https://forum.plexim.com/t/the-plecs-blocksets-license-can-not-be-found-in-matlab/588)

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**Author:** [@YuJin](https://forum.plexim.com/u/YuJin)\
**Replies:** 1\
**Last updated:** [November 20, 2018, 2:16am UTC](https://forum.plexim.com/t/the-plecs-blocksets-license-can-not-be-found-in-matlab/588 "2018-11-20T02:16:40Z")

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My PLECS Standalone and PLECS Blockset is of 4.2.3 and the MATLAB version is 2018b. My operation system is win7 64bit. When I try to add component in PLECS circuit from MATLAB/Simulink it says" No valid license found, …