Joomla 2.5 admin page 404 - joomla2.5

Web site functioned normally , I tried to login to admin page and suddenly when I access admin page it display:
404 - An error has occurred.
Component not found
No new extension/module/component and theme has been installed.
No changes on PHP or mysql on the server side. ( I did check with hosting providers).
It's like it works today and tomorrow when you want to login , you'll see the above mentioned error.
Renaming .htaccess did not solve the issue.
Restoring DB backup did not solve the issue.
I checked the Joomla logs ( in log folder) there isn't any related report.
Joomla version info:
$RELEASE = '2.5';
$DEV_LEVEL = '16';
Please help!

I managed to sloved this long time ago but I forgot to update!
It is solved by running repair and optimize operations on the database via phpmyadmin.

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Is it possible to keep Django Admin Panel accesible in production mode? (DEBUG=False)

I am developing a webpage for my college where we will show ouur investigations, to solve that i decided to use the admin panel. The problem is that when I deply in production the webage I get a 500 Bad request
I have left the deault admin path
Also changed the path for admin and still having the same issue
Try opening on a different browser like chrome etc

Django admin page login causing IIS to crash, need to restart iis everytime

My site is working fine. I can access all the pages. But when I am accessing admin page, it loads, prompts for username and password. After entering username and password when clicked login, it takes sometimes and after that I get below error:
This page isn’t working mytestapp.company.com didn’t send any data.
ERR_EMPTY_RESPONSE
After refreshing the page, I get below error:
Service Unavailable HTTP Error 503. The service is unavailable.
After this no page loads. After restarting IIS using cmd (iisreset /noforce) again when I try to refresh the homepage, I see I am logged in which means admin page logged me in but after that response did not come and it something went wrong on the server side which caused server to crash.
I am not sure how to proceed with this. Earlier my admin site use to work fine. No recent changes in code. The only change I did is I synced the DB from another DB which has more data.
I am using virtual env which has
python version is 2.7.3, Django version 1.3 in it
IIS version 7.5 on WindowsServer 2008R2 (Python IsAPIe handler)
Please help me on this. I am stuck with this issue...
Issue is resolved now. IIS service was getting stopped because of a series of error caused while rendering admin page. After checking windows event log and understanding error code, got to know that the Python-Runtime.dll which admin page was referring was having some issue. I replaced the dll with the previous working version and then everything started working fine.

octobercms - how to open admin login page

October CMS is totally new for new. My previous guy has not shared the URL to hit logon to the admin panel of a website which is developed in October CMS.
I googled a lot, but not getting any link. Kindly let know me this.
Thank you.
The default url is /backend
But this can be changed in the config file.

Django authentication works on Chrome, but not on Firefox

I'm having a problem where Django's login is working okay on Chrome but not on Firefox: when trying to login to a restricted portion of the site on Firefox, it simply loops back again and again to the login page; furthermore, no error message appears on the log regarding that.
Interestingly, the error doesn't happen when the server is on the local machine.
Does someone have a general idea of what could be causing that strange behavior?
I'm using Django 1.6 on Python 2.7
this isn't much of an answer, but a linking to other similar problems. Because I don't have rep, all I can do is leave an answer.
A issue like this was encountered in 2012 but was never conclusively answered:
Django session doesn't work in Firefox
A similar question where the user could login via local server but not remote firefox was encoutered:
Unable log in to the django admin page with a valid username and password
The second was very well documented and had an accepted answer that was well liked.
Recommendations:
If you are not using https make sure you have this setting SESSION_COOKIE_SECURE = False.
If you are using a database backed, Check if the session is actually being created in the django_sessions table .
If you are using a cached backed, check that SESSION_ENGINE is django.contrib.sessions.backends.cache and that CACHE_BACKEND is properly configured.

Cannot login to Django admin

My admin login in development stopped working suddenly. It used to be working fine for almost a year. I am able to see the login page and type the superuser credentials. When I click on the login button, nothing happens. The admin log also does not show anything. I have tried changing the port number and ran the server.
I even created a new project and new database and tried running the simple admin page, no luck. I tried running the admin for other projects in development, still nothing happens on clicking the login button.
My settings does have:
AUTHENTICATION_BACKENDS = (
('django.contrib.auth.backends.ModelBackend'),
)
Another thing that I noticed was I do not get a new row in the django_session table even after I login with the correct superuser credentials
I suggest you to clear your localhost cookies and try with another browser.
I've issues with chrome v28 that I don't have in firefox v22.
Let me know if it helps.
Regards.
-- EDIT --
Try to put this line in your settings.py. It solved for me.
SESSION_COOKIE_DOMAIN = None
Opening the application in chrome's incognito mode resolved this issue for me.