WordPress: Can't access wp-admin and got plain white page - wordpress

I develop a website with CMS WordPress. I don't have any errors on my localhost. I uploaded it on web server and it's fine. But, I can't go wp-admin and I got a plain white page. I enabled error reporting and got just two warning. I solved it and reloaded. Unfortunately, I still got a plane page. Is there any way to solve this problem? Please favor me and thanks for your time.

Force deactivate your plugins:
http://codex.wordpress.org/FAQ_Troubleshooting#How_to_deactivate_all_plugins_when_not_able_to_access_the_administrative_menus.3F

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wordpress website is redirecting to blink.piterreceiver.ga/fast.php?t=j&id=658-3474568568-23-458578434

Wordpress website Awannews.fr is being redirect to blink.piterreceiver.ga/fast.php?t=j&id=658-3474568568-23-458578434. Can someone please help how can i figure out whats the issue.
I recently encountered the exact same redirect happening on a WordPress website I worked on. What worked for me was disabling a plugin that came with the theme I'm using on the site. In my case, it was an outdated version of the "WooCommerce Dynamic Pricing & Discounts" plugin that was infected with some malicious code.
Once I found the specific page the redirect happened on, I opened Inspect Elements in the Browser and looked at the changes to the page while it loaded in. There I managed to catch a glimpse of a <div> element loading in just before it redirects (the element id was pointing back to the plugin I ended up disabling).
First, I would recommend to:
Make sure all of the WordPress plugins are up to date.
Try to disable one plugin at a time and then refresh, check the site itself in another tab or window to see if the problem still presists.
If the 2 steps above don't help, then you could try to narrow down the cause/source by going around your WordPress site and try to catch at which point or which specific page the redirect happens. That way you could have a better idea of where to look or where not to look for the cause.
I hope this is helpful and you can post an update on how it went.

XAMPP Wordpress install - WP-Admin formatting unusable

Putting our company website on localhost for testing, etc. All working OK, apart from WP-Admin: lets me login OK, but the format of the site is unusable - image attached.
Have checked permalinks, etc. which are working OK for rest of website. It is just WP-Admin that I'm having trouble with.
Anyone come across this before?
Thanks in advance.
Darren.
WP-Admin screenshot
Follow this steps
You have a problem in CSS style link, it may cause on your database or maybe on one file which has been hardcoded.
Copied over WP-Admin files from a fresh install and now works.
Thanks for the nudge in the right direction, Babak.

Why I am redirected to different plugin page url after activating any other plugins in wordpress?

Plese help me figure out this bug.
Problem:
I had installed a syntax highlighter plugin named "Enlighter". But it didn't work as I expected. So I went ahead and deactivated and deleted the plugin files.
Now the problem is that whenever I am trying to activate any other plugins it is redirecting me to the "enlighter" about page. Here's what my url looks when I try to activate any plugins: http://localhost/wp/wp-admin/admin.php?page=Enlighter-About
When I tried to activate TinyMCE Advanced Plugin it is redirected to the above-mentioned URL. You can read the error message in the screenshot attached. However, when I press the back button I can see the "TinyMCE" plugin activated.
I want to know how to fix the problem so that it is redirected to its relevant plugin page instead of enlighter's plugin page.
Thank you!
Okay, So after sharing this problem with "englighter's" plugin developer on the WordPress forum he asked me to clear the browser cache and php op-code cache.
So I resolved this problem by clearing all the browser cache and then everything worked fine for me.
Here's our discussion thread on WordPress https://wordpress.org/support/topic/wrong-plugin-page-redirection-upon-activating-any-plugin/#post-9302622

Whenever I try to log to wordpress admin I get The page isn't redirecting properly error message

The frontend works correctly, it's only when trying to log in the backend that the error occurs.
On the frontend, I can see that I'm logged in (the black ribbon on the top), when I click on any link I get this error message too
Content Encoding Error
I tried everything I found on the web. Disabled plugins, updated WordPress and the theme to no avail.
I tried the same code on my local machine, and it's working flawlessly.
If you are using a MySQL server older than version 5.5.3, you might need to change your tables' character encoding back to utf8.
This might also help
I've been able to fix this issue thanks to #jpg0002 in his answer.
There were too many configurations on my vhost. I have simplified it and I can access the admin.

Default Website Page error - While installing wordpress multisites on a subdomain

I have installed wordpress multisites in my directory, everything is working perfectly except the fact that the main page of the sister sites shows "Default Website Page" error and redirects me to "http://geek.thelazy.info/cgi-sys/defaultwebpage.cgi".
The error occurs only when I open geek.thelazy.info and at specific places (not on places far from here), and only when I open the main page. At all other pages say like geek.thelazy.info/devashish site works regardless of anything.
Any clues on how to solve this problem?
I think the solution is to wait for a day or two. This helped me. But, I am not sure what if there is any other workaround at the server side as well because it is not really trivial to put a live site down for 1-2 days.

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