page not found error in drupal

hi i am getting a strange error in my drupal website "Page not Found" when i click on Login page.I have no idea why this error is comes. please let me know what may be the result.(this is error is only on two pages My Account Page and login page ,rest other pages are working fin开发者_运维知识库e).

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Things to try:

1. Rebuild the menues by loading admin/build/modules
2. Clear the cache via admin/settings/performance
3. Rebuilt permissions admin/content/node-settings

unless you have some kind of advanced setup (memcache, authcache, varnish, that kind of stuff) one of these should do the trick.

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I had a similar problem where would say

index.php was not found on this server

and it turned out to be my .htaccess file was not configure to serve drupal from a subdirectory. Only the webroot.

This thread helped:

http://drupal.org/node/1585672?mode=2&sort=2

Basically I just had to edit RewriteBase on my .htaccess file to contain the value of my subdirectory.

So for example, if I'm serving drupal from here:

http://example.com/drupal/

Then I have to change the RewriteBase value in my .htaccess file to:

RewriteBase /drupal

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At the beginning, I'd like to clarify that I use localhost to support Drupal.

racl101 actually give the proper answer. Here I present my specific solution based on what racl101 gives us:

Go to .htaccess

sudo nano .htaccess

Find RewriteBase in .htaccess (as my drupal url is localhost/~MyName/drupal/ )

I uncomment RewriteBase and change it to RewriteBase /~MyName/drupal/

Then it works. Good luck!