wordpress wp-admin showing white screen with no error - wordpress

I know I have posted same questions but all same question will not solve my issue.
Suddenly my wordpress site wp-admin stop working. When I will try to access wp-admin it will display white screen. I have deactivated all plugin by rename plugin folder , also uploaded fresh wp-admin and wp-include folder but same problem.
I have also replace wp-config file with fresh file but no luck.
When I will try to access with wp-login.php it will work but showing:
ERROR: Cookies are blocked due to unexpected output
Even my browser cookie is already enabled.
It will be greatful if any one help me to solve this issue.

Most of the time when you're seeing a white screen in wordpress, it's something you added to your functions.php file or a custom plugin that acts as an alternative to the functions.php file. If you've made any adjustments to these, go back and remove those adjustments and it should return to normal. There's most likely an error in something you added.

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How to fix Redirect URL is not valid ! error when trying to access wp-login.php?

When I try to access the wp-login.php page, I get the following error:
"Redirect URL is not valid !"
I've tried everything here
clear cookies
deactivate all plugins
revert back to the Default Theme
delete .htaccess file
update site URL
But none of the above did anything. I thought that deactivating all plugins would solve the issue because not too long before this issue started I had just installed and begun configuring the WP Cassify plugin. However, when I went to rename the plugins directory, I did not see the WP Cassify plugin listed, which is weird.
Does anyone have any suggestions as to what else I can try to fix this issue?
I fixed this by renaming the wp-cassify plugin (and essentially deactivating it by doing so).
That simple!

One page won't show on wordpress after moving from live to localhost

I moved my website from live to localhost to make some modifications to it and I have encountered a problem, one page will not show up: "Oops! That page can’t be found.".
I have tried the following
1. activated rewrite_module
2. deactivated each plugin to see if anyone is causing the problem
3. recopied the database and files in case of failure during the first transfer
4. read that resetting permalinks might solve the problem. Changed permalinks to default - the page now works, but when I changed back to custom the problem is still there.
This is weird because only one page does not seem to show, every other page works fine and also there is no problem on the live version.
I ran out of solutions can any one please help?
This may be caused by the permalink or .htaccess
check the url of your page if no issues on URL then
Follow this steps once:
Go to settings-> permalink-> set it as default ->Reload or refresh
Then again now Go to settings-> permalink->postname
Your .htaccess will get update with the permalink.
This could be a problem with htaccess. When using the query string urls in wordpress, no htaccess is required, but for anything else Wordpress uses mod_rewrite.
Is htaccess turned on your localhost Apache server? In httpd.conf, AllowOverride All should be turned on in your active directory.
Is Wordpress able to create new files? Insufficient permissions might prevent it from creating the htaccess file.
Finally, check that your links are pointing to the right place. Sometimes the problem is as simple as a misspelling in your link ;) Good luck.

Wordpress upload file not working on open even though link is correct

I've got a strange problem with Wordpress. I've added a PDF via the upload media button.
When I click to view the file on the page it takes me to a 404 error page, however I know the link is correct so I click enter in the URL bar again and the file will load.
I tried changing the wp-content directory permissions to 777 but no dice either.
What could be causing this issue? Has anyone experienced this before?
If anyone else stumbles across this problem it was with the htaccess file. I removed the Hotlinking part that WP had added and then it started to work again. I'm still not sure why it was interfering with it though.

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I have a strange issue here. My client site is suspended due to spam messages by one.com. After deleting the comments, the technical support guy told me to generate .htaccess and .htpasswd file by using one.com's support page and upload it into root. Deleted old files and uploaded the new files a per the supporting guy. But site shown an internal error, then the technical guy said 'delete' both files and try. Then the home page is loading but inner pages showing 404 error.
Anyone here have a solution for this? this is the site http://www.jayabhattacharjirose.com/
Thanks in Advance
This is a problem with permalinks. Try the one of the following three solutions.
1: Set your Permalinks back to default, if things start working as expected then try re-setting Permalinks back to what you want.
2: Try going in your Dashboard to Settings > Permalinks. You don't need to change anything on the Permalinks page, but just click Save Changes at the bottom. Then check your site to see if that fixed it.
3: Try changing options on the Permalinks page if you want to change the way the URL looks from p=### to the /date/page format or others.
Reset your permalink to default and then again set it your required permalink structure so that WordPress creates a new required .htaccess file for it.
And if you have backup of your project then try to use the old .htaccess file.

wordpress wp-login.php?redirect_to wrong path

This is a weird one. I googled for hours but seems to me not a single person has this same issue.
I moved my website from http://www.domain1.com/wpfolder to http://www.domain2.com . Everything works fine except I cannot get the "wp-login.php?redirect_to" path to point to the correct url.
WordPress keeps setting it to:
"wp-login.php?redirect_to=http://www.domain2.com/wpfolder/wp-admin&reauth=1"
It should be setting it to:
"wp-login.php?redirect_to=http://www.domain2.com/wp-admin&reauth=1"
The "wpfolder" doesn't exist anymore..
I followed the instructions exactly on how to move a WordPress website, but the darn URL won't change...
Some forum mentioned changing the "site_url" and "home" from "http://www.domain2.com" to "http://domain2.com". Now I can finally get to the admin panel, but I don't get why it needs to be that way?
I cleaned my browser cookies and checked the wp-content folder for cache already. Nada..
Also the rest of the site is functional.
I would appreciate if anyone can help.
I moved the WordPress website from GoDaddy to Bluehost by copying the files and the database and the problem went away. I am not sure why this fixed it, but assuming it has something do with the cache.
If anybody has more information, I would love to read about it.
Thanks
I was facing the same issue, with same redirection to one of the sub-directory in which wordpress was installed.
Resolved this issue, by clearing the cache, if some cache plugin is active.
Or by deleting the cache plugin if any present and is currently not yet active.
As some entries made by cache plugin inside wp-config.php file creates the above mentioned problem.
After removing the cache plugin, it resolves the WP-admin URL issues.

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