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During a Windows Update this week I was presented with an optional patch titled "Other hardware - ACER Composite ADB Interface". This was part of a larger patch update, and I wrongly ticked and installed the patch. I do not own any Acer kit, but I do use ADB in wider Android development.
When I connect my tablet to the PC now it shows up in Device Manager inside a container named "ACER Device" with the title "ACER Composite ADB Interface". It is not visible to either the PC or ADB. Previously it appeared in a container called "Android Device" and worked fine. The device is a Google Nexus 7.
Annoyingly the patch is not listed in installed programs or installed updates, and I am struggling to try and remove it. I've already tried to uninstall the device (and drivers), but these just get reloaded when the device is plugged back in.
How do I remove this patch?
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FIX Unknown Device Drivers with Windows Update Open Device Manager and go to the device in question in your device. Typically, it is listed as an Unknown Device in the Other devices node and expands the section. Right-click on the Unknown Device and select Update Driver.
For Windows 8 and later: From Start, search for device manager, and select Device Manager from the search results. Troubleshoot the devices and drivers in Device Manager. Note Click Show hidden devices on the View menu in Device Manager before you can see devices that are not connected to the computer.
Press the following key sequence: Win + X > M > Alt + V > w . By doing this you will open the Win+X menu, then open Device Manager, and in the Device Manager you will open the View menu and toggle the Show hidden devices entry. That's it.
First try this simple procedure provided by @volodymyr-rybak:
Open 'ACER Composite ADB Interface' and select 'Update Driver...', in the opened window select 'Browse my computer for driver software' then 'Let me pick from a list of device drivers on my computer' in the list select 'MTP USB Device' and click on Next button.
This is what worked for my Nexus 4.
Disconnect your Android device.
Disable USB Debugging in Developer Options.
In the Device Manager (on PC), click on View --> Show Hidden Devices.
Double click on the entry for ACER Composite ADB Interface to open Properties.
Click on the Driver tab and then on Roll Back Driver. This will uninstall the problematic drivers.
If the 'Roll Back Driver' option is grayed out, then click Uninstall. In the confirmation pop up window, select Delete the driver software for this device and then click OK.
Do this for all the instances of 'ACER Composite ADB Interface'.
Shut down your PC. And start it again.
Now reconnect your device. Your PC will recognize it as a storage device.
Re-enable USB Debugging.
If it again shows up as 'ACER Composite ADB Interface', then repeat (4) and (5) to roll back the driver update.
Or... Open 'ACER Composite ADB Interface' and select 'Update Driver...', in the opened window select 'Browse my computer for driver software' then 'Let me pick from a list of device drivers on my computer' in the list select 'MTP USB Device' and click on Next button.
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If the problem persists, right-click the ACER ADB Interface and select 'Update driver...', then 'Browse my computer...' then 'Let me pick from a list...' and you should see two options for the Nexus, Google Nexus ADB Interface and another called MTP USB Device. Choose MTP and hit 'Next' to install the driver, then it should show up as a portable device on your computer.
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