Hello! When I try install -g appium, i have error
C:\Users\mikerov_a>npm install -g appium
npm WARN registry Unexpected warning for https://registry.npmjs.org/: Miscellaneous Warning UNABLE_T
O_VERIFY_LEAF_SIGNATURE: request to https://registry.npmjs.org/appium failed, reason: unable to veri
fy the first certificate
npm WARN registry Using stale package data from https://registry.npmjs.org/ due to a request error d
uring revalidation.
C:\Users\mikerov_a\AppData\Roaming\npm\appium → C:\Users\mikerov_a\AppData\Roaming\npm\node_modules
\appium\build\lib\main.js
> appium-chromedriver@3.0.1 install C:\Users\mikerov_a\AppData\Roaming\npm\node_modules\appium\node_
modules\appium-chromedriver
> node install-npm.js
info Chromedriver Install Installing Chromedriver version ‘2.30’ for platform ‘win’ and architecture
‘32’
info Chromedriver Install Opening temp file to write chromedriver_win32 to…
info Chromedriver Install Downloading https://chromedriver.storage.googleapis.com/2.30/chromedriver_
win32.zip…
RequestError: Error: unable to verify the first certificate
at new RequestError (C:\\Users\\mikerov\_a\\AppData\\Roaming\\npm\\node\_modules\\appium\\node_modules\\req
uest-promise\lib\errors.js:11:15)
at Request.RP$callback \[as \_callback\] (C:\\Users\\mikerov\_a\\AppData\\Roaming\\npm\\node_modules\\appiu
m\node_modules\request-promise\lib\rp.js:60:32)
at self.callback (C:\\Users\\mikerov\_a\\AppData\\Roaming\\npm\\node\_modules\\appium\\node_modules\\reques
t\request.js:186:22)
at emitOne (events.js:116:13)
at Request.emit (events.js:211:7)
at Request.onRequestError (C:\\Users\\mikerov\_a\\AppData\\Roaming\\npm\\node\_modules\\appium\\node_modul
es\request\request.js:878:8)
at emitOne (events.js:116:13)
at ClientRequest.emit (events.js:211:7)
at TLSSocket.socketErrorListener (\_http\_client.js:387:9)
at emitOne (events.js:116:13)
at TLSSocket.emit (events.js:211:7)
at emitErrorNT (internal/streams/destroy.js:64:8)
at \_combinedTickCallback (internal/process/next\_tick.js:138:11)
at process.\_tickCallback (internal/process/next\_tick.js:180:9)
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.1.3 (node_modules\appium\node_modules\fse
vents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.1.3: wanted {“os”:
“darwin”,“arch”:“any”} (current: {“os”:“win32”,“arch”:“x64”})
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! appium-chromedriver@3.0.1 install: `node install-npm.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the appium-chromedriver@3.0.1 install script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\mikerov_a\AppData\Roaming\npm-cache\_logs\2017-12-27T14_21_57_659Z-debug.log