Qt with android 5.9.0 installation Problem.

Hi,
I am trying to install Qt with android , but i am facing issues while adding AVD,

sdk location : D:\android-sdk
ndk location : D:\android\android-ndk-r15c-windows-x86_64\android-ndk-r15c
creator showing it found 10 tool chains for this ndk
ant location : D:\apache-ant-1.9.6\src\script\ant.bat

whenever i try to start avd manager i am getting a pop message like as below

AVD manager tool is not available in the installed SDK tools(version 26.0.2). use the command line tool "avdmanager" for advanced AVD management.

and if i try to bulid sample project i am getting error like as below

Error while building/deploying project test (kit: Android for x86 (GCC 4.9, Qt 5.9.0 for Android x86))
When executing step "Deploy to Android device"


if anyone knows what's wrong, kindly help me to solve this problem.
i am using Qt 5.9.0 with Qt creator 4.3.1
Thank you.

find solution here :

https://stackoverflow.com/questions/...allation-erorr

DNS Server Not Responding Press and hold (or right-click) Local Area Connection, and then select Properties. Select Internet Protocol Version 6 (TCP/IPv6) > Properties. Select Obtain an IPv6 address automatically > Obtain DNS servers address automatically > OK. Select Internet Protocol Version 4 (TCP/IPv4) > Properties.

First, try restarting your computer, printer and wireless router. To check if yourprinter is connected to your network: Print a Wireless Network Test report from the Epson Printer Setup Support. On many printers pressing the Wireless button allows direct access to printing this report.