Warning! Missing hosts entry. This site may be inaccessible

Hi
my name is fred
my english is not very very Good.
I’ve Windows 10 64 Bits
I’ve instal First Virtual box because the Local By Flywheel was blocked at the begining
Now, i’ve the same message of error:
Warning! Missing hosts entry. This site may be inaccessible.
And fix it not working…

Where I can t find the log to show you the prob.
Thank’s
fred

This my log:
Jun 16, 2017, 11:37 AM GMT+2 - info: [main/index] Existing Pressmatic data does not exist.
Jun 16, 2017, 11:37 AM GMT+2 - info: [main/set-docker-env] Getting Docker Machine env.
Jun 16, 2017, 11:37 AM GMT+2 - info: [main/set-docker-env] Received Docker Machine env.
Jun 16, 2017, 11:37 AM GMT+2 - info: [renderer/CheckEnvPage] Check system promise response: [ undefined, true ] true
Jun 16, 2017, 11:37 AM GMT+2 - info: [main/hosts-helper] hostsHelper: Updating hosts with “C:\Users\Fred&Belle\AppData\Local\Programs\local-by-flywheel\resources\extraResources\node\node-windows.exe” “C:\Users\Fred&Belle\AppData\Local\Programs\local-by-flywheel\resources\app.asar.unpacked\main\provisioning\update-hosts.js” 192.168.95.100 imagyms-2018.dev
Jun 16, 2017, 11:37 AM GMT+2 - error: [main/hosts-helper] Error: Command failed: powershell.exe Start-Process “C:\Users\FRED&B~1\AppData\Local\Temp\c0adf3737515886f1b9ae8f2cfae59a8\execute.bat” -WindowStyle hidden -Verb runAs
’powershell.exe’ n’est pas reconnu en tant que commande interne
ou externe, un programme ex�cutable ou un fichier de commandes.

at ChildProcess.exithandler (child_process.js:223:12)
at emitTwo (events.js:106:13)
at ChildProcess.emit (events.js:191:7)
at maybeClose (internal/child_process.js:885:16)
at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)

Jun 16, 2017, 11:49 AM GMT+2 - info: [main/hosts-helper] hostsHelper: Updating hosts with “C:\Users\Fred&Belle\AppData\Local\Programs\local-by-flywheel\resources\extraResources\node\node-windows.exe” “C:\Users\Fred&Belle\AppData\Local\Programs\local-by-flywheel\resources\app.asar.unpacked\main\provisioning\update-hosts.js” 192.168.95.100 imagyms-2018.dev
Jun 16, 2017, 11:49 AM GMT+2 - error: [main/hosts-helper] Error: Command failed: powershell.exe Start-Process “C:\Users\FRED&B~1\AppData\Local\Temp\58d85c1c4cb8f91aafe6bd8f4b07aa17\execute.bat” -WindowStyle hidden -Verb runAs
’powershell.exe’ n’est pas reconnu en tant que commande interne
ou externe, un programme ex�cutable ou un fichier de commandes.

at ChildProcess.exithandler (child_process.js:223:12)
at emitTwo (events.js:106:13)
at ChildProcess.emit (events.js:191:7)
at maybeClose (internal/child_process.js:885:16)
at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)

Jun 16, 2017, 11:49 AM GMT+2 - info: [main/docker-machine] Running C:\Users\Fred&Belle\AppData\Local\Programs\local-by-flywheel\resources\extraResources\virtual-machine\vendor\docker\windows\docker-machine.exe stop local-by-flywheel
Jun 16, 2017, 11:49 AM GMT+2 - info: [main/docker-machine] Stopping “local-by-flywheel”…
Jun 16, 2017, 11:50 AM GMT+2 - info: [main/docker-machine] Machine “local-by-flywheel” was stopped.
Jun 16, 2017, 11:50 AM GMT+2 - info: [main/docker-machine] child process exited with code 0
Jun 16, 2017, 11:50 AM GMT+2 - info: [main/docker-machine] Checking Boot2Docker.iso hash
Jun 16, 2017, 11:50 AM GMT+2 - info: [main/docker-machine] Running C:\Users\Fred&Belle\AppData\Local\Programs\local-by-flywheel\resources\extraResources\virtual-machine\vendor\docker\windows\docker-machine.exe start local-by-flywheel
Jun 16, 2017, 11:50 AM GMT+2 - info: [main/docker-machine] Starting “local-by-flywheel”…
Jun 16, 2017, 11:50 AM GMT+2 - info: [main/docker-machine] (local-by-flywheel) Check network to re-create if needed…
Jun 16, 2017, 11:50 AM GMT+2 - info: [main/docker-machine] (local-by-flywheel) Waiting for an IP…
Jun 16, 2017, 11:50 AM GMT+2 - info: [main/docker-machine] Machine “local-by-flywheel” was started.
Jun 16, 2017, 11:50 AM GMT+2 - info: [main/docker-machine] Waiting for SSH to be available…
Jun 16, 2017, 11:50 AM GMT+2 - info: [main/docker-machine] Detecting the provisioner…
Jun 16, 2017, 11:52 AM GMT+2 - info: [main/index] Existing Pressmatic data does not exist.
Jun 16, 2017, 11:52 AM GMT+2 - info: [main/set-docker-env] Getting Docker Machine env.
Jun 16, 2017, 11:52 AM GMT+2 - info: [main/set-docker-env] Received Docker Machine env.
Jun 16, 2017, 11:52 AM GMT+2 - info: [renderer/CheckEnvPage] Check system promise response: [ undefined, true ] true
Jun 16, 2017, 11:54 AM GMT+2 - info: [renderer/SitesSidebar] Renderer start cmd.exe /K "C:\Users\Fred&Belle\AppData\Roaming\Local by Flywheel\ssh-entry\rkj6HybXZ.bat"
Jun 16, 2017, 11:54 AM GMT+2 - info: [environment/custom] Empty /etc/mysql
Jun 16, 2017, 11:54 AM GMT+2 - info: [environment/custom] Copying MySQL config to container prior to starting.
Jun 16, 2017, 11:54 AM GMT+2 - info: [main/waitForFile] Waiting for /conf/php/7.0.3/etc/php-fpm.conf b8154fe0de2a38299fcb7ba8b4e674396b6e05729d3ab04abd5d7bd85917ad73
Jun 16, 2017, 11:54 AM GMT+2 - info: [main/docker-router] getRouterContainers()
Jun 16, 2017, 11:54 AM GMT+2 - info: [main/docker-network-manager] maybeCreateNetwork
Jun 16, 2017, 11:54 AM GMT+2 - info: [main/hosts-helper] hostsHelper: Updating hosts with “C:\Users\Fred&Belle\AppData\Local\Programs\local-by-flywheel\resources\extraResources\node\node-windows.exe” “C:\Users\Fred&Belle\AppData\Local\Programs\local-by-flywheel\resources\app.asar.unpacked\main\provisioning\update-hosts.js” 192.168.95.100 imagyms-2018.dev
Jun 16, 2017, 11:54 AM GMT+2 - info: [main/docker-router] reconnectNetwork()
Jun 16, 2017, 11:54 AM GMT+2 - info: [main/docker-network-manager] doesNetworkExist
Jun 16, 2017, 11:54 AM GMT+2 - info: [main/docker-network-manager] Network exists.
Jun 16, 2017, 11:54 AM GMT+2 - info: [main/docker-router] teardown()
Jun 16, 2017, 11:54 AM GMT+2 - info: [main/docker-router] Removing router container e997f66045900e559b1d09e156733e19f95af763f6b04a57a36101f713f2036b
Jun 16, 2017, 11:54 AM GMT+2 - info: [main/waitForFile] /conf/php/7.0.3/etc/php-fpm.conf exists
Jun 16, 2017, 11:54 AM GMT+2 - info: [main/docker-router] updateProxyManager()
Jun 16, 2017, 11:54 AM GMT+2 - info: [main/docker-router] runContainer()
Jun 16, 2017, 11:54 AM GMT+2 - info: [main/docker-network-manager] Connected b8154fe0de2a38299fcb7ba8b4e674396b6e05729d3ab04abd5d7bd85917ad73.
Jun 16, 2017, 11:54 AM GMT+2 - error: [main/hosts-helper] Error: Command failed: powershell.exe Start-Process “C:\Users\FRED&B~1\AppData\Local\Temp\5f27f516db994d4900ace36e893e0abe\execute.bat” -WindowStyle hidden -Verb runAs
’powershell.exe’ n’est pas reconnu en tant que commande interne
ou externe, un programme ex�cutable ou un fichier de commandes.

at ChildProcess.exithandler (child_process.js:223:12)
at emitTwo (events.js:106:13)
at ChildProcess.emit (events.js:191:7)
at maybeClose (internal/child_process.js:885:16)
at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)

Jun 16, 2017, 11:54 AM GMT+2 - info: [environment/custom] Starting php-fpm done

If you can open the Local app, there is a menu top left with the option to Reveal Local’s Log.

If you can’t open the app, my log file (default installation) is at this path:
User > Your user name > AppData > Roaming > Local by Flywheel > local-by-flywheel.log

yes i’ve find. I post it
Thank’s

Is it necessary to install VirtualBox ???

If i no instal the prog VIRTUALBOX by oracle this is the error message

and this is the log on the instal

Jun 16, 2017, 12:09 PM GMT+2 - info: [main/index] Existing Pressmatic data does not exist.
Jun 16, 2017, 12:09 PM GMT+2 - info: [renderer/CheckEnvPage] Check system promise response: [ ‘virtualbox-not-ready’, ‘machine-halted’ ] virtualbox-not-ready
Jun 16, 2017, 12:09 PM GMT+2 - info: [main/virtualbox-installer-windows] Starting VirtualBox Install…
Jun 16, 2017, 12:09 PM GMT+2 - error: [main/virtualbox-installer-windows] Error: Command failed: powershell.exe Start-Process “C:\Users\FRED&B~1\AppData\Local\Temp\e357a58cd0b18c784d03f86491bb649b\execute.bat” -WindowStyle hidden -Verb runAs
‘powershell.exe’ n’est pas reconnu en tant que commande interne
ou externe, un programme ex�cutable ou un fichier de commandes.

at ChildProcess.exithandler (child_process.js:223:12)
at emitTwo (events.js:106:13)
at ChildProcess.emit (events.js:191:7)
at maybeClose (internal/child_process.js:885:16)
at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)

thank you for helping me
I am blocked . I have a site to do and I can not find any solution.
Being saying the program installs on its own !!!