# \#plecslib

**URL:** https://forum.plexim.com/tag/plecslib/116.md

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## [PLECS blockset viewer problem](https://forum.plexim.com/t/plecs-blockset-viewer-problem/310)

<div class="topic-metadata">

**Author:** [@karthik](https://forum.plexim.com/u/karthik)\
**Replies:** 2\
**Last updated:** [March 26, 2018, 9:52am UTC](https://forum.plexim.com/t/plecs-blockset-viewer-problem/310 "2018-03-26T09:52:21Z")

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Dear Sir, I have installed PLECS Blockset in the PC with Windows 7 Operating system. I have used the trial license.lic file when license file was asked during installation. After installing, I have started MATLAB 2017a …