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 USB driver won't install on Windows 11		  New Topic  Reply to Topic
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growler1

1 Posts
Posted - 10/27/2022 :  15:54:14  Show Profile  Reply with Quote
Hello,

Anyone install the CH341SER.exe USB driver succesfully on a Win 11 21H2 system? I receive a "Driver Install Failure!" message when I run it even as an Administrator.

Thanks
Reply #1

ihab17

Italy
218 Posts
Posted - 10/29/2022 :  00:03:00  Show Profile  Reply with Quote
Maybe Windows 11 doesn't accept unsigned drivers. From the command line with administrative access (run as Administrator even though you are an administrator), run the following:

bcdedit.exe /set nointegritychecks on

Retry the driver installation
If the installation goes fine, you can bring it back to the original state without affecting the already installed drivers by running:
bcdedit.exe /set nointegritychecks off
Edited by - ihab17 on 10/29/2022 12:06:35
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Reply #2

EmfDev

2250 Posts
Posted - 10/31/2022 :  10:14:14  Show Profile  Reply with Quote
hi growler1, we tried a few windows 11 home computers and they already have the driver pre-installed same as windows 10.
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