# Error updating rails

**URL:** <https://www.ruby-forum.com/t/error-updating-rails/120571>\
**Category:** Rails\
**Created:** [November 18, 2007, 7:10pm UTC](https://www.ruby-forum.com/t/error-updating-rails/120571 "2007-11-18T19:10:39Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Piotr\_N](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/e9c0ed/32.png) [@Piotr\_N](https://www.ruby-forum.com/u/Piotr_N)\
**Post date:** [November 18, 2007, 7:10pm UTC](https://www.ruby-forum.com/t/error-updating-rails/120571/1 "2007-11-18T19:10:39Z")

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ive got instant rails, which is bundled with rails 1.2.3

when trying to update rails using  
gem install --include-dependencies rails

i got

ERROR: While executing gem … (RuntimeError)  
Error instaling rails:  
invalid gem format for rails

any ideas ?

greets.

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<div class="post-metadata">

**Author:** ![Piotr\_N](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/e9c0ed/32.png) [@Piotr\_N](https://www.ruby-forum.com/u/Piotr_N)\
**Post date:** [November 18, 2007, 8:38pm UTC](https://www.ruby-forum.com/t/error-updating-rails/120571/2 "2007-11-18T20:38:51Z")

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Piotr N. pisze:

> any ideas ?

solved, the problem was obvious, not to say stupid.  
insted of unzipping the rails package i just opened it in my zip program  
and run gem command 🙂

i should unpack it first, hehe

greets !