Images broken after site migration - wordpress

I have a friend that has a wordpress/woocommerce website.
It's in danish, and he has uploaded ALLOT of images (hundreds) with danish filenames (that is with æøå in them) ...
Now that I helped him migrate to a new domain ... all the images with those characters in them, break ...
image in medialibary
image open in a new tab 404
That is, when I right click the image and copy the path it looks like this:
wp-content/uploads/2016/03/sm%C3%A5b%C3%B8rn-no.9.jpg
if I open it in a new tab it have the right path:
wp-content/uploads/2016/03/småbørn-no.9.jpg
but, it gives me a 404 ...
I figure I need help changing all the filenames automatically if that can in any way be done? ...
He is really pressing me about it, so hope someone can help me fast...
I have allready tried allot of plugins, but none of them have worked..
Etc. "Clean Image Filenames" only seams to work if you install the plugin before you ever upload any files (we should have done that)...
Thank so much for your help ...

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WordPress: Images and other assets not loading on localhost

First of all, a cordial greeting, friends! I have a problem, I am working with the design of a web page using WordPress via localhost with XAMPP. I have tried to view the project from different devices (cellphones, tablets) and by configuring the file httpd-XAMPP.config I have managed to enter the address correctly of the project.
The problem is that no image, icon, or logo that I have placed on the page loads (as seen in the attached image), the menu button does not work either.
With nothing more to add and thanking you in advance for any help you can provide, I say goodbye.
Have you checked the image path to see if it's correct?
Are you able to access the image from the full path in a browser for example
domain.com/wp-content/uploads/image.png like this?
Probable solution 1:
Most of the cases, it can be the permalink issue.
Please try to check by changing the permalink, first make it Plain Text and check, if it's not working then make it Post Name and then check. (To do it go to Admin dashboard > Settings > Permalink)
Probable solution 2:
Sometimes, if the image and CSS do not exist in the correct location then happen this kind of issue. Please check it.
Probable solution 3:
Put it in the config.php file
define('WP_HOME','yourdomain.com');
define('WP_SITEURL','yourdomain.com');
Thank you

Wordpress: how to know which page is requesting a specific css file

I am helping out a friend with a slow WP. I installed hummingbird and it's telling me that some css files are slow to load (for example: https://cdnjs.cloudflare.com/ajax/libs/gsap/1.11.2/TweenMax.min.js - it takes 390ms to load). I would like to store this file locally and see if the performance improves. The problems is that I'm not sure about how to locate the file that is actually requesting this css file. Any help is appreciated.
I suggest a sweet plugin I use called String locator. It will search the whole site for a string like TweenMax.min.js. It will also search by plugin. When it find it it gives options to edit straight to the file. Hope this helps.

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I have an issue with wordpress image file paths.
Have no idea how this happened but all images are blank on media gallery, and after a lot of trying different things to fix have realised that the image filepath is showing
https:///wp-content/
as opposed to
https://example.com/wp-content/
Have tried search and replace which I thought would fix, but hasnt worked...any ideas much appreciated!!!
You can try to install the AJAX Thumbnail Rebuild plugin to the get all images in Media Gallery tab.
Thanks!!

WordPress page broken image paths

I made a WP page a while ago (not for me) and all of a sudden most images can't be displayed ...
I took a look into html code and saw that the img paths are all wrong!
Those workig look like: http://www.niebauer.co.at/wp/wp-content/uploads/2013/04/senato-tasse-178x108px.jpg
The ones that DO NOT work: /usr/local/www/apache22/data/niebauer/www.niebauer.co.at/htdocs/wp/wp-content/uploads/et_temp/cool-2015-9941_165x184.jpg
I have NO idea why WP all of a sudden changed those paths. I tried to REUPLOAD some images but it seems, wp does this automatically "wrong". The only working solution I found was to upload them in the EXACT size they will display on the page. So I guess something is wrong with the WP asset manager but I did not change anything.

NextGEN Gallery still pointing to local drive

I recently moved a wordpress site from my C: drive to a pre-production environment, linux-based machine. The site works well-ish now.
I am using NextGEN galleries there and am using custom gallery theme. This is the problem: After moving, for some reason the galleries refer to the gallery with absolute path of the C: drive, which is obviously not working since this is another machine. I looked into the database to see if there's any value starting with C:\ and indeed I found out several of them and corrected them from C:\xampp\htdocs/wp-content/themes/subspace\nggallery\gallery-subspace.php to wp-content/themes/subspace\nggallery\gallery-subspace.php. However, after refreshing the page which used the gallery in WYSIWYG editor of WP and checking its settings, it stil referred to the template on the C: drive (namely, this is on the "display galleries tab", under "Customize the display settings", it is the value of the "Template" setting).
I checked the database again and there was no path like this in it. I refreshed the page, no difference. I got irritated and went to get a cup of coffee. When I returned, I ran the database query without any modifications again and found this in the wp_options table, option name "_transient_e4ae686b7454a142b0618b1ff15b38f4":
O:8:"stdClass":17:{s:2:"ID";i:4018;s:13:"post_password";s:0:"";s:10:"menu_order";i:0;s:16:"display_settings";a:20:{s:27:"override_thumbnail_settings";s:1:"0";s:15:"thumbnail_width";s:3:"120";s:16:"thumbnail_height";s:2:"90";s:14:"thumbnail_crop";s:1:"1";s:15:"images_per_page";s:2:"24";s:17:"number_of_columns";s:1:"0";s:15:"ajax_pagination";s:1:"1";s:20:"show_all_in_lightbox";s:1:"0";s:23:"use_imagebrowser_effect";s:1:"0";s:17:"show_piclens_link";s:1:"0";s:17:"piclens_link_text";s:14:"[Show PicLens]";s:19:"show_slideshow_link";s:1:"0";s:19:"slideshow_link_text";s:16:"[Show slideshow]";s:8:"template";s:73:"C:\xampp\htdocs/wp-content/themes/subspace\nggallery\gallery-subspace.php";s:19:"use_lightbox_effect";b:1;s:23:"display_no_images_error";i:1;s:18:"disable_pagination";i:0;s:17:"thumbnail_quality";s:3:"100";s:19:"thumbnail_watermark";s:1:"0";s:20:"ngg_triggers_display";s:5:"never";}s:8:"order_by";s:9:"sortorder";s:15:"order_direction";s:3:"ASC";s:10:"exclusions";a:0:{}s:13:"container_ids";a:1:{i:0;i:37;}s:22:"excluded_container_ids";a:0:{}s:9:"sortorder";a:0:{}s:10:"entity_ids";a:0:{}s:7:"returns";s:8:"included";s:20:"maximum_entity_count";s:3:"500";s:6:"source";s:9:"galleries";s:12:"display_type";s:35:"photocrati-nextgen_basic_thumbnails";s:4:"slug";N;s:8:"id_field";s:2:"ID";}
Which, as you can see contains the C:\ path again. I'm 100% positive this wasn't in the database a while ago and repeated the process with the same result (corrected this, waited a minute and it appeared again). Is it possible that this is pulled e.g. from some file?
You can follow the steps mentioned below:
In the wp-admin, go to "Gallery" -> "Other options" then, Click to "Lightbox effects" tab and Click "Show advanced settings" there, you'll find option to change the stylesheet and javascript urls. Change from 'localhost' to your baseurl or ( 127.0.0.1 ). Then save. Thats all.
Let me see if i can help.
Warning : do not try on production, get a dev or appropriate local version running. Also -- can't remember using NextGen, so my advice comes from a desire to do "best" practice in WP.
Easy try : kill cache if used such as JetPack or similar.
Regrading the _transient - should be able to kill -- this link Can I remove transients in the wp_options table of my WordPress install? seems to be dialed in. So if there is a cached element in the mix...bingo.
Next thing is the C:\...stuff rendered in the page source / html? If so, how is it rendered in the page (HTML please)? In other words, what part of the execution is writing C:\... to the page and why? WP has a bad habit of adding the site to the link (grr!). For example image src attribute will have the ``http://``` :
<img src="http://example.com/uploads/whatev..."
And this is written in the wp_posts table (fun migration issues esp if you change url) - so there is a slim possibility that the gallery info with the C drive ref is in the post or similar.
iD10t check: no config setting you missed in gallery? I hope there is not a 3rd party server/storage as #Hareesh mentioned!
Desperation (done this a few times) : dump the MySQL, get a large text editor and search for the string. Remember that weird stuff could be escaped as a " may turn into \" or the use of alternative "safe" quotes. See what can be learned.
Always an option : reinstall in a new WP site and see what/how things go.
If I think of anything else I will add it, but I just spilled how I would try to dissect the issue. GOOD LUCK.
You can use a search and replace tool to replace all C:/... instances with the correct ones.
But be sure to make a full DB backup beforehand, in case something breaks...

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