Error while installing firebase

Question

I am trying to use firebase as my database. I ran npm install angularfire2 firebase --save and got the the following error stack:

• C:\\Users\\Batbrain\\Desktop\\Angular5\\GitHub\\travelapp>npm install angularfire2 firebase --save

• grpc@1.9.0 install C:\\Users\\Batbrain\\Desktop\\Angular5\\GitHub\\travelapp\\node_modules\\grpc

• node-pre-gyp install --fallback-to-build --library=static_library

• node-pre-gyp ERR! Tried to download(undefined): https://storage.googleapis.com/grpc-precompiled-binaries/node/grpc/v1.9.0/node-v57-win32-x64-unknown.tar.gz

• node-pre-gyp ERR! Pre-built binaries not found for grpc@1.9.0 and node@8.9.4 (node-v57 ABI, unknown) (falling back to source compile with node-gyp)
• gyp ERR! configure error
• gyp ERR! stack Error: Can't find Python executable "python", you can set the PYT HON env variable.
• gyp ERR! stack at PythonFinder.failNoPython (C:\\Program Files\\nodejs\\node_mo dules\\npm\\node_modules\\node-gyp\\lib\\configure.js:483:19)
• gyp ERR! stack at PythonFinder. (C:\\Program Files\\nodejs\\node_mod ules\\npm\\node_modules\\node-gyp\\lib\\configure.js:508:16)
• gyp ERR! stack at C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\grac eful-fs\\polyfills.js:284:29
• gyp ERR! stack at FSReqWrap.oncomplete (fs.js:152:21)
• gyp ERR! System Windows_NT 6.3.9600
• gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodej s\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "configure" "--f allback-to-build" "--library=static_library" "--module=C:\\Users\\Batbrain\\Desk top\\Angular5\\GitHub\\travelapp\\node_modules\\grpc\\src\\node\\extension_binar y\\node-v57-win32-x64-unknown\\grpc_node.node" "--module_name=grpc_node" "--modu le_path=C:\\Users\\Batbrain\\Desktop\\Angular5\\GitHub\\travelapp\\node_modules\\ \\grpc\\src\\node\\extension_binary\\node-v57-win32-x64-unknown"
• gyp ERR! cwd C:\\Users\\Batbrain\\Desktop\\Angular5\\GitHub\\travelapp\\node_modules\\gr pc
• gyp ERR! node -v v8.9.4
• gyp ERR! node-gyp -v v3.6.2
• gyp ERR! not ok
• node-pre-gyp ERR! build error
• node-pre-gyp ERR! stack Error: Failed to execute 'C:\\Program Files\\nodejs\\node.e xe C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js configure --fallback-to-build --library=static_library --module=C:\\Users\\Batbr ain\\Desktop\\Angular5\\GitHub\\travelapp\\node_modules\\grpc\\src\\node\\extension_binar y\\node-v57-win32-x64-unknown\\grpc_node.node --module_name=grpc_node --module_pat h=C:\\Users\\Batbrain\\Desktop\\Angular5\\GitHub\\travelapp\\node_modules\\grpc\\src\\node \\extension_binary\\node-v57-win32-x64-unknown' (1) node-pre-gyp ERR! stack at ChildProcess. (C:\\Users\\Batbrain\\Deskt op\\Angular5\\GitHub\\travelapp\\node_modules\\grpc\\node_modules\\node-pre-gyp\\lib\\uti l\\compile.js:83:29)
• node-pre-gyp ERR! stack at emitTwo (events.js:126:13)
• node-pre-gyp ERR! stack at ChildProcess.emit (events.js:214:7)
• node-pre-gyp ERR! stack at maybeClose (internal/child_process.js:925:16)
• node-pre-gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/chi ld_process.js:209:5)
• node-pre-gyp ERR! System Windows_NT 6.3.9600
• node-pre-gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\Batb rain\\Desktop\\Angular5\\GitHub\\travelapp\\node_modules\\grpc\\node_modules\\node-pre-gyp\\bin\\node-pre-gyp" "install" "--fallback-to-build" "--library=static _library"
• node-pre-gyp ERR! cwd C:\\Users\\Batbrain\\Desktop\\Angular5\\GitHub\\travelapp\\node_m odules\\grpc
• node-pre-gyp ERR! node -v v8.9.4
• node-pre-gyp ERR! node-pre-gyp -v v0.6.39
• node-pre-gyp ERR! not ok
  Failed to execute 'C:\\Program Files\\nodejs\\node.exe C:\\Program Files\\nodejs\\node _modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js configure --fallback-to-build --library=static_library --module=C:\\Users\\Batbrain\\Desktop\\Angular5\\GitHub\\tra velapp\\node_modules\\grpc\\src\\node\\extension_binary\\node-v57-win32-x64-unknown\\gr pc_node.node --module_name=grpc_node --module_path=C:\\Users\\Batbrain\\Desktop\\Ang ular5\\GitHub\\travelapp\\node_modules\\grpc\\src\\node\\extension_binary\\node-v57-win3 2-x64-unknown' (1) npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.1.3 (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! grpc@1.9.0 install: node-pre-gyp install --fallback-to-build --library=static_library
• npm ERR! Exit status 1
• npm ERR!
• npm ERR! Failed at the grpc@1.9.0 install script.

• npm ERR! This is probably not a problem with npm. There is likely additional log ging output above.

• npm ERR! A complete log of this run can be found in: npm ERR! C:\\Users\\Batbrain\\AppData\\Roaming\\npm-cache_logs\\2018-02-15T04_11_ 21_993Z-debug.log

Here's my environment details :

• Angular CLI: 1.6.8
• Node: 8.9.4
• OS: win32 x64
• Angular: 5.2.4
• @angular/cdk: 5.2.0
• @angular/cli: 1.6.8
• @angular/material: 5.2.0
• @angular-devkit/build-optimizer: 0.0.42
• @angular-devkit/core: 0.0.29
• @angular-devkit/schematics: 0.0.52
• @ngtools/json-schema: 1.1.0
• @ngtools/webpack: 1.9.8
• @schematics/angular: 0.1.17
• typescript: 2.5.3
• webpack: 3.10.0
• npm 5.6.0

Answer 1

Error

Answer

Simply exit from your Anti-virus Software and Run it Again . It worked for me

After Fix