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Hi , please explain to me what those files job in windows because i have deleted them all from all their locations and should i reinstall my windows or its fine

blackberry.browser

chrome.browser

default.browser

firefox.browser

gatway.browser

generic.browser

ie.browser

iemobile.browser

iphone.browser

opera.browser

safari.browser

ucbrowser.browser

files locations

C:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\Browsers

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Config\Browsers

C:\Windows\WinSxS\amd64_netfx4-browser_files_b03f5f7f11d50a3a_4.0.15788.0_none_bb6138d5106f1a5f

C:\Windows\WinSxS\x86_netfx4-browser_files_b03f5f7f11d50a3a_4.0.15788.0_none_030e6fac24eb4365

What I have tried:

what you have tried ? nothing at all
Posted
Updated 11-Feb-20 4:35am
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Solution 1

They are browser definition files, which are used by the WebBrowser component of .NET apps.
Probably, the Control will not work correctly without them, or it may produce strange results.
Try reinstalling the .NET framework, or restore your system from your last backup.

Why are you randomly deleting files and folders? It's never a good idea, and it can't be to save space as they are pretty tiny...
   
Comments
Richard Deeming 11-Feb-20 10:29am
   
They're not used by the WebBrowser control; they're used by ASP.NET WebForms applications.
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Solution 2

Those are browser definition files, which are used by ASP.NET WebForms applications:
How to detect browsers in ASP.NET with browser files[^]
ASP.NET Web Server Controls and Browser Capabilities | Microsoft Docs[^]

If your computer is running any WebForms applications which haven't been configured to assume that all requests are from "up-level" browsers, they will likely stop working as intended.

NB: Modern web applications should avoid trying to detect the browser, and instead rely on feature detection:
Implementing feature detection - Learn web development | MDN[^]


But as Griff said, randomly deleting files and folders when you don't understand what they are is a very bad idea.
   

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