virtualbox.org

Performed a fresh installation of Windows 10 on VirtualBox-5.2.0_RC1-118335-Win with Oracle_VM_VirtualBox_Extension_Pack-5.2.0_RC1-118335 installed. I Noticed that 3 mouse clicks are needed to open a folder not 2 !!, or point at the folder and hit enter.

After installing VBoxGuestAdditions_5.2.0-118335, double clicks open folders, as usual.

Are you sure that the first click is not the one that get the focus to the VM? I cannot replicate the behavior on a 10.11.6 OSX host, or on a WIn10-1607 (64-bit) host. The guest is a WIn10-1607 (64-bit) in both cases.

Yes I am sure, the issue reported was noticed on Windows 10 RS3 16299.15 x86 (Due for GA release on Tuesday 17/10/17), which was updated to 16299.19 last night.

I have just uninstalled the VBoxGuestAdditions and tried again, 3 mouse clicks on "My PC" are needed to open the File Explorer and 3 clicks are needed to start a program. I can confirm this behavior on Windows 10 RS3 16299.19, both x86 and x64. But after reinstalling VBoxGuestAdditions, only 2 clicks are needed to open the File Explorer or start a program.

P.S. I also uninstalled the VBoxGuestAdditions from an existing Windows 7 x64 SP1 VM, and it also needs 3 clicks to open the File Explorer and 3 clicks to start a program, but only 2 clicks if the VBoxGuestAdditions are installed !!!

So, with no GAs installed you need 3 clicks and with GAs installed you need 2? Is that what you're telling me? If that's the case then I suspect it is my first hunch, the first click is to get the focus to the VM.

After some more testing, I found that it will actually open the File Explorer or start a program with 3 touch-pad clicks or 2 slow ones with VBoxGuestAdditions uninstalled. But with VBoxGuestAdditions installed, it will perform the tasks with 2 clicks at very fast, fast or slower speeds.

Could the VM without VBoxGuestAdditions be ignoring the middle click when fast clicking?

Simple07 wrote:with 3 touch-pad clicks or 2 slow ones with VBoxGuestAdditions uninstalled

Can you try with a mouse? You should have mentioned that you're using a trackpad, I would have directed you to ticket #14632: Double click not working with precision touchpad.

Thanks socratis,

The USB tailed (wired) mouse works well, with and without the VBoxGuestAdditions.

I have experienced the problem with 5.1.24 and below, pointed in your post. But that was happening with VBoxGuestAdditions as well.

So that means that it's in a better shape now, right? I mean if you install the Guest Additions you have no problem. Is that correct?

PS. Are you the same user "Simple" from the bugtracker's ticket #14632, comment 89?

Just upgraded to "VirtualBox-5.1.25-117130-Win.exe" + "Oracle_VM_VirtualBox_Extension_Pack-5.1.25-117130.vbox-extpack", and seems that the Mouse/Touch-Pad issue has been sorted.
In fact it is now more responsive than a number of earlier releases.
Well done to the developers.

BTW, the ExtPack and the trackpad have zero connections.

Yes, that was me in post 89. The reference to the Extension_Pack was to give as much info of what was changed as possible.

My computer has an HID, and as I reported in the first post of this thread, the TouchPad works fine after installing VBoxGuestAdditions. My real issue is with sound quality and lag to the stroboscopic video, and I reported this thinking it may be somehow related.