![]() ![]() ![]() It turns out I actually had two problems, not just one. Take a snapshot first, so you can revert if it doesn't work. A quick internet search turns up several sources (albeit nothing from Oracle), example, saying GAs is considered an app by the Windows VM and can be uninstalled in the usual way using Control Panel or Settings. I notice there's nothing in the Manual (the Linux procedure is mentioned, but not Windows). Check the VBox Manual and/or do an internet search.Įdit: Out of curiosity, decided to take a look at the last question. Have to believe there's a similar procedure for a Windows VM. In a Linux VM, there's a script for this very purpose in the /opt folder. Second, if that doesn't work, try uninstalling GAs from within the VM. Save file, close xed, and see whether VBox now will let you insert the correct GA.iso. I'd like to continue with LM 20.3, but right now I'm seriously considering reinstalling LM 19.1. When I try to force insertion I get the could not mount error message once again. Would you like to try to force insertion of this disk? However, when I attempt to install it from Devices/Optical drives I get this error message: I checked, and I do have GA 6.1.38 in the usr/share/virtualbox folder. Unable to insert the virtual optical disk /usr/share/virtualbox/VBoxGuestAdditions.iso into the machine Windows 10.Ĭould not mount the media/drive '/usr/share/virtualbox/VBoxGuestAdditions.iso' (VERR_PDM_DRIVER_NOT_FOUND). But, when I go to Devices/Insert Guest Additions CD Image i still get the message: Also, for the first time I noticed a No Guest Additions! warning under the Performance Monitor tab. I launched Session Information and checked the Runtime Information tab. ![]() I tried plugging the printer into a different port, but it's still not online. The Windows Control Panel recognizes the printer but lists it as offline. My USB printer is enabled under Devices, but I still can't print. After that I launched Synaptic Package Manager and verified that every file (including GA) had the same version number. Next, I reinstalled each of the just-removed files. Regardless, I launched Software Manager and removed every virtualbox file, including Guest Additions. I installed virtualbox from the LM repositories, so all the correct versions are there. Thanks to all of you for taking the time to respond. Is that my best hope, or is there some other way to bring Guest Additions up to date with the installed version of Virtualbox? Right now I'm considering downloading and installing version 5.2.18 since that worked before moving to LM 20.3. Would you like to try to force ejection of this disk?" Clicking "Force Unmount" also fails. This generates the error message "Unable to eject the virtual optical disk Host Drive HL-DT-ST DVDRAM GTB0N (sr0) from the machine Windows 10. Others said go to Devices/Optical Drives and click Remove disk from optical drive. Others have posted about updating using terminal commands, but I haven't had any success with these. Some have suggested removing and reinstalling version 6.1.38. I've found a number of postings online about this problem. I got the message "Unable to insert the virtual optical disk into the machine Windows 10." Clicking on Details produced "/usr/share/virtualbox/VBoxGuestAdditions.iso' (VERR_PDM_DRIVER_NOT_FOUND)." Thinking this would be an easy fix, I went into Devices and clicked on Insert Guest Addititons CD Image. Checking Runtime Information, I discovered that, while I now have version 6.1.38 of virtualbox, my virtual Windows machine still lists version 5.2.18 for Guest Additions. That's when I discovered that I couldn't use my usb printer, even though it shows as being active in the usb device settings. Today was one of those days when I needed to run a program with no Linux equivalent. While I don't need it very often, when I do I really need it. I have been running Windows 10 in a virtual machine for years. After booting I applied all the updates listed in the Update Manager. Everything went very quickly, and all of my old applications were waiting when I booted 20.3 for the first time. I upgraded using the "something else" option to preserve my /home partition. ![]() I recently upgraded from LM19.1 to LM20.3 (after encountering significant problems trying to go to LM21). ![]()
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