# Invalid directory

**URL:** <https://www.ruby-forum.com/t/invalid-directory/148305>\
**Category:** Ruby\
**Created:** [September 11, 2008, 4:43pm UTC](https://www.ruby-forum.com/t/invalid-directory/148305 "2008-09-11T16:43:33Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![s450r1](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/87869e/32.png) [@s450r1](https://www.ruby-forum.com/u/s450r1)\
**Post date:** [September 11, 2008, 4:43pm UTC](https://www.ruby-forum.com/t/invalid-directory/148305/1 "2008-09-11T16:43:33Z")

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This seems like the simpliest of questions. But I’m trying to install  
InstantRails 1.4 to run through a tutorial that is create for this  
version. And I can’t even pull up cd c:\InstantRails on my command  
prompt. I get the response invalid directory.