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I am using Magento 2 in Windows 10 using xampp.

I have installed magento2 and it was running perfectly. After that, I migrate data from magento1 with migration tool.

Now I am having an error with the resource from “ (CSS path)” was blocked due to MIME type mismatch (X-Content-Type-Options: nosniff).

Already tried to deploy static content many times with cache and index refresh. URL rewrite is already ON.

Can anyone please help me out?

Thanks

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  • did you check whether the files in the error is exist in the given path ?
    – Chamal Chamikara
    Jan 1, 2017 at 8:46
  • Yes, All files are exist. but when I check in firebug, its give me error like 404 file not found and for same file its give me another error like Mime Type mismatch.
    – Bhavesh Dave
    Jan 1, 2017 at 17:21

5 Answers 5

Reset to default
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Download the .htaccess file for your specific magento version and put it inside the pub/static folder in the default magento directory and these errors should vanish.

I also faced a very similar issue. After a lot of deliberation I was able to understand that this problem mainly occurred because I deleted the .htaccess file inside the pub/static folder.

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  • I still have the same .htaccess file inside pub/static/ but still i get the error. I also downloaded the file specific to my magento version and compared it to the old file and they are exactly same.
    – Nausif
    Sep 19, 2017 at 5:57
  • and where can we find these .htaccess files?
    – Nick Rolando
    Dec 30, 2019 at 18:04
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I had the same error and it turned out that the mismatch error was wrong. I came across this: https://github.com/angular/angular-cli/issues/10325 which explained that the mismatch error is a red herring and in fact the real error is a 404 fie not found. You should be able to work out if this applies to you by opening the page in chrome, going to the console and clicking on a file name that's erroring. For me it gave a file not found. Obviously you then need to work out why the file isn't there.

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  • For me en_US/jquery.js was missing after minimising JS. I'm not sure what was referring to the non minimised version but manually adding it fixed it for me.
    – Andrew Taylor
    Apr 1, 2020 at 14:50
  • 1
    Give this person a medal, saviour
    – Scott Anderson
    Sep 13, 2020 at 17:12
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The issue may related to the fact that there's no Symlinks on Windows. There's 2 ways of fixing that:

1. Changing setting in file

In app/etc/di.xml change

Magento\Framework\App\View\Asset\MaterializationStrategy\Symlink

to:

Magento\Framework\App\View\Asset\MaterializationStrategy\Copy

2. Changing settings in Configuration

(From https://magento.stackexchange.com/a/95077/44597)

Go to Stores => Configuration => Advanced => Developer => Template Settings and change Allow Symlinks => No

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0

I moved away from using m2 on wamp / xampp within windows for exactly this reason. Have you considered docker? https://github.com/meanbee/docker-magento2

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in my case it was all folder permession , the easy fix is to just do the following:

1- change the /pub folder permission to 777:

sudo chmod 777 pub -Rf

2- redeploy the site static contents:

bin/magento setup:static-content:deploy -f

in case u have multi-lang site, write like this:

bin/magento setup:static-content:deploy -f en_US ar_SA
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