# What is opengl32.dll and why does vr chat not like it

**URL:** <https://ask.vrchat.com/t/what-is-opengl32-dll-and-why-does-vr-chat-not-like-it/24660>\
**Category:** Help!\
**Tags:** vrchat\
**Created:** [May 21, 2024, 10:36am UTC](https://ask.vrchat.com/t/what-is-opengl32-dll-and-why-does-vr-chat-not-like-it/24660 "2024-05-21T10:36:29Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![FluffFox3243](https://yyz1.discourse-cdn.com/vrchat/user_avatar/ask.vrchat.com/flufffox3243/32/18317_2.png) [@FluffFox3243](https://ask.vrchat.com/u/FluffFox3243)\
**Post date:** [May 21, 2024, 10:36am UTC](https://ask.vrchat.com/t/what-is-opengl32-dll-and-why-does-vr-chat-not-like-it/24660/1 "2024-05-21T10:36:30Z")

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I am trying to play for the first time but whenever i open it it crashes and says 0xc00007b and says opengl32.dll is an untrusted file system

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**Author:** ![Spokeek](https://yyz1.discourse-cdn.com/vrchat/user_avatar/ask.vrchat.com/spokeek/32/48618_2.png) [@Spokeek](https://ask.vrchat.com/u/Spokeek)\
**Post date:** [May 21, 2024, 4:09pm UTC](https://ask.vrchat.com/t/what-is-opengl32-dll-and-why-does-vr-chat-not-like-it/24660/2 "2024-05-21T16:09:07Z")

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Maybe you had an antivirus that triggered and removed a file ? or you could have a corrupted installation. Use steam to verify the files locally, see if it helps

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**Author:** ![FluffFox3243](https://yyz1.discourse-cdn.com/vrchat/user_avatar/ask.vrchat.com/flufffox3243/32/18317_2.png) [@FluffFox3243](https://ask.vrchat.com/u/FluffFox3243)\
**Post date:** [May 21, 2024, 11:06pm UTC](https://ask.vrchat.com/t/what-is-opengl32-dll-and-why-does-vr-chat-not-like-it/24660/3 "2024-05-21T23:06:41Z")

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wont work. still crashes. should i completly disable windows defender?

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**Author:** ![docteh](https://yyz1.discourse-cdn.com/vrchat/user_avatar/ask.vrchat.com/docteh/32/12171_2.png) [@docteh](https://ask.vrchat.com/u/docteh)\
**Post date:** [May 22, 2024, 12:47am UTC](https://ask.vrchat.com/t/what-is-opengl32-dll-and-why-does-vr-chat-not-like-it/24660/4 "2024-05-22T00:47:05Z")

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Is windows defender complaining, or eac?

Disabling windows defender is probably a bad idea. Try and find your opengl32.dll, maybe in windows system32? Throw it at virus total, or otherwise inspect it.

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**Author:** ![Spokeek](https://yyz1.discourse-cdn.com/vrchat/user_avatar/ask.vrchat.com/spokeek/32/48618_2.png) [@Spokeek](https://ask.vrchat.com/u/Spokeek)\
**Post date:** [May 23, 2024, 10:23am UTC](https://ask.vrchat.com/t/what-is-opengl32-dll-and-why-does-vr-chat-not-like-it/24660/5 "2024-05-23T10:23:29Z")

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Definitely not.

Maybe your graphics drivers aren’t up to date? Opengl be a library for 3d rendering.

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**Author:** ![docteh](https://yyz1.discourse-cdn.com/vrchat/user_avatar/ask.vrchat.com/docteh/32/12171_2.png) [@docteh](https://ask.vrchat.com/u/docteh)\
**Post date:** [May 23, 2024, 10:42pm UTC](https://ask.vrchat.com/t/what-is-opengl32-dll-and-why-does-vr-chat-not-like-it/24660/6 "2024-05-23T22:42:52Z")

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I just want to add that on my PC, C:\Windows\System32\opengl32.dll is provided by microsoft.

 ![image](https://global.discourse-cdn.com/vrchat/original/3X/6/e/6ee81cf472cceb9aeca1a7d82d452b0e9a0ab0e4.png)

[Virustotal for my opengl32.dll](https://www.virustotal.com/gui/file/da9bacd30ad5da35166d193e657dd3792472715ae0995efd753d1dc6e154502e/details)