![How to fix "Windows cannot load USB drives" error Code 39 or 41 - USB ports devices not working (Solved) - wintips.org - Windows Tips & How-tos How to fix "Windows cannot load USB drives" error Code 39 or 41 - USB ports devices not working (Solved) - wintips.org - Windows Tips & How-tos](https://www.wintips.org/wp-content/uploads/2014/05/cpwnc3wr.jpg)
How to fix "Windows cannot load USB drives" error Code 39 or 41 - USB ports devices not working (Solved) - wintips.org - Windows Tips & How-tos
![Finally got serial ports working, win7 host, if you have "Failed to attach the USB device (E_INVALIDARG)" issues then try deleting this win7 registry key, fixed mine. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{ 36FC9E60-C465-11CF-8056 ... Finally got serial ports working, win7 host, if you have "Failed to attach the USB device (E_INVALIDARG)" issues then try deleting this win7 registry key, fixed mine. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{ 36FC9E60-C465-11CF-8056 ...](https://external-preview.redd.it/R6D416r_3MRxLJzYQpNrBMsWKtbYzrIraHlNKY-o6TE.jpg?auto=webp&s=a50e29c515203c728f1f2fe89c51b0cf8e8f3403)
Finally got serial ports working, win7 host, if you have "Failed to attach the USB device (E_INVALIDARG)" issues then try deleting this win7 registry key, fixed mine. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{ 36FC9E60-C465-11CF-8056 ...
![Electronics | Free Full-Text | USB Artifact Analysis Using Windows Event Viewer, Registry and File System Logs | HTML Electronics | Free Full-Text | USB Artifact Analysis Using Windows Event Viewer, Registry and File System Logs | HTML](https://www.mdpi.com/electronics/electronics-08-01322/article_deploy/html/images/electronics-08-01322-g014.png)