Win 10 upgrade app icon is missing in System Tray

On a Windows 7 SP1 running in a Hyper V machine on 8.1, the Windows 10 upgrade app icon that should be in the System Tray is missing. I have removed a KB3035583 update that caused the app to claim there is not enough RAM (there is 3 GB). A KB3035583 update and a KB2952664 update were installed yesterday (Aug 11, 2015). The Win 10 upgrade app icon is still missing. I suspect this is a Microsoft bug but I am not sure.
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Peter parkerCommented:
hey if windows 10 upgrade icon is not showing on your machine there are will be several causes
May be your copy of windows version not be genuine
First of all you need to update windows 7 for latest update. If running windows 8 then should be go for windows 8.1 latest version.
After that you can try to update windows 10. If you still unable to upgrade windows 10 then try to install via windows media creation tool here is the link
The icon won't show up if your Windows 7 OS is the enterprise version, a Volume license, an Active Directory Domain member, not Activated, or activated using a KMS key. Those systems are all not eligible for the free upgrade. So first verify your Windows 7 VM doesn't fall into the above categories.
JohnBusiness Consultant (Owner)Commented:
If your version of Windows 7 can be upgraded, you can go to the link below, download the Windows 10 ISO and run it. That will upgrade your system. I have done this.
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if your  windows version is genuine,  no worries. it will automatically show later. I had the same problem. But for me, first it showed Get Windows 10 icon, few days later when windows 10 is released, it got disappeared suddenly.  Then I got that icon back after 5 days automatically
jdfreeman2000Author Commented:
I should have mentioned that I do have a genuine copy of Windows 7 Pro. I have verified in System Info that it is activated.

The icon in the System Tray is now back but when I launch it, the request for upgrade never happens. It gets short circuited with an error message that there is not enough RAM. (I have 8 GB in the host machine and 3 GB confirmed in the Hyper-V machine.) I had done a Google Search and found on the Microsoft tech support site a fix. I found an answer t
I have uninstalled KB3035583 that supposedly has a bug that displays not enough RAM message. Also, I read somewhere that the problem could be because the OS is running inside a virtual machine. I think this is a Microsoft bug and I am waiting to see if MS fixes it. I also am considering downloading the ISO file but I am not sure which solution is most desirable. Thanks for your help
JohnBusiness Consultant (Owner)Commented:
Try this link (posted above): 

I have upgraded this way and it worked.
Just run the setup.exe file within the iso file of Windows 10 you can download manually like Thinkpads mentioned above. That is faster and works much more reliably than using the taskbar icon. Besides, you then have the iso available for later re-installations. Just make sure you download the correct version (DVD image, not the combined x32/64 version but rather just the 64 bit iso, and if you are upgrading from Windows 7 Pro, it will be Windows 10 Pro).

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jdfreeman2000Author Commented:
Very knowledgable and friendly experts - thanks!
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