0x00 origin
Regarding the inability to install tools on the win7 virtual machine, the installation prompts a red pop-up window that does not support installation, etc. This problem has been troubled for a long time, and today I will talk about the solution
Satisfy condition
1, win7 must be sp1 version, not sp1 version cannot install tools
to install sp1: ed2k://|file|cn_windows_7_professional_with_sp1_x64_dvd_u_677031.iso|3420557312|430BEDC0F22FA18001F717F7AF08C9D5|/
2, sp1 cannot install tools, missing (KB4474419) patch
0x01 solution - install (KB4474419) patch
1. Open remote 3389 on win7, connect to the remote desktop of the physical machine
2, download the patch (KB4474419) for the virtual machine, and install the corresponding version. I download the 64-bit version here
https://www.catalog.update.microsoft.com/search. aspx?q=kb4474419
3. Copy and paste the patch into it, install patch
4, restart and reinstall the tools to succeed
