# WHCP USB driver

**URL:** <https://forum.legato.io/t/whcp-usb-driver/7016>\
**Category:** Uncategorized\
**Created:** [July 16, 2026, 7:39pm UTC](https://forum.legato.io/t/whcp-usb-driver/7016 "2026-07-16T19:39:56Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![jack.heaffey](https://avatars.discourse-cdn.com/v4/letter/j/ad7895/32.png) [@jack.heaffey](https://forum.legato.io/u/jack.heaffey)\
**Post date:** [July 16, 2026, 7:39pm UTC](https://forum.legato.io/t/whcp-usb-driver/7016/1 "2026-07-16T19:39:57Z")

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Hi,

Since a recent Windows 11 update, my PC now blocks the WP76xx USB driver, with the following error message:

"This driver has been blocked

Swcdcecm62\_64.sys does not pass the Windows driver policy."

Are there plans to have the USB driver signed by WHCP?

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<div class="post-metadata">

**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.legato.io/jyijyi/32/822_2.png) [@jyijyi](https://forum.legato.io/u/jyijyi)\
**Post date:** [July 17, 2026, 1:02am UTC](https://forum.legato.io/t/whcp-usb-driver/7016/2 "2026-07-17T01:02:44Z")

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Does this help?

> **[WP7702 drivers has windows security problems](https://forum.sierrawireless.com/t/wp7702-drivers-has-windows-security-problems/35917/4)**
>
> then this is just particular PC problem You can see if issue is solved by installing the driver. Or you can consider to use linux PC.

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<div class="post-metadata">

**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.legato.io/jyijyi/32/822_2.png) [@jyijyi](https://forum.legato.io/u/jyijyi)\
**Post date:** [September 4, 2026, 1:41am UTC](https://forum.legato.io/t/whcp-usb-driver/7016/4 "2026-09-04T01:41:00Z")

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There is new driver uploaded in SOURCE website, you can try that:

> **[Windows Drivers for EM/MC/RC/WP Series Modules (Latest Release - Build 5424)...](https://source.sierrawireless.com/resources/airprime/software/drivers/windows/q/m2m_windows_drivers_qmi_latest_release)**