My task: write a kernel-mode driver that would make Windows recognize the device as an MTP source, not just an “Unknown USB Device.”
I plugged the device into a clean Windows 11 VM with Secure Boot on. No test-signing mode. The driver, now properly signed with an EV certificate, installed silently. A notification popped up: “Device is ready. Open with File Explorer.” mtp device driver windows 11
I added a custom IOCTL for user-mode apps to trigger device resync. Wrote a small PowerShell script to fire it when Explorer stalled. The device appeared in “This PC” as a portable music player icon. Copying a 5GB video file worked—slowly, but without corruption. My task: write a kernel-mode driver that would
I clicked. The drive letter appeared. I copied a file. No crash. No delay. mtp device driver windows 11