While trying to upgrade my WordPress installation from version 2.9 to version 2.9.1 I always got the following error:

Downloading update from http://wordpress.org/wordpress-2.9.1.zip.
Download failed.: Operation timed out with 1201840 out of -1 bytes received
Installation Failed

After doing some research using Google I found a solution to that problem:

You just need to edit the following file in order to increase the download timeout:

/wp-admin/includes/file.php

Near line 461 of file.php change the timeout value from:

$response = wp_remote_get($url, array('timeout' => 60));

to the new value of 120:

$response = wp_remote_get($url, array('timeout' => 120));

Then try again to upgrade your wordpress installation using the automatic upgrade and it should work properly now. Mine did and I am happy again!

Cheers and have fun, and leave me a comment if this post was useful for you!

Herbert

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These days I decided to relaunch my weblog. Due to a problem in the wordpress upgrade process I was forced to this decision. The language of my weblog will now switch to English as well. As you may have recognized my weblog is updated in the visual manner as well.

Hope to enlarge the number of my readers and to interest new people in my posts.