C:Usersuserinbox>npm install --save web3@1.0.0-beta.26 --python=python2.7
npm WARN deprecated fs-promise@2.0.3: Use mz or fs-extra^3.0 with Promise Support
npm WARN deprecated tar.gz@1.0.7: ⚠️  WARNING ⚠️ tar.gz module has been deprecated and your application is vulnerable. Please use tar module instead: https://npmjs.com/tar
npm WARN deprecated minimatch@0.3.0: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue

> scrypt@6.0.3 preinstall C:Usersuserinboxnode_modulesscrypt
> node node-scrypt-preinstall.js


> scrypt@6.0.3 install C:Usersuserinboxnode_modulesscrypt
> node-gyp rebuild


C:Usersuserinboxnode_modulesscrypt>if not defined npm_config_node_gyp (node "C:Program Filesnodejsnode_modulesnpmnode_modulesnpm-lifecyclenode-gyp-bin\....node_modulesnode-gypbinnode-gyp.js" rebuild )  else (node "C:Program Filesnodejsnode_modulesnpmnode_modulesnode-gypbinnode-gyp.js" rebuild )
Traceback (most recent call last):
  File "C:Program Filesnodejsnode_modulesnpmnode_modulesnode-gypgypgyp_main.py", line 16, in <module>
    sys.exit(gyp.script_main())
  File "C:Program Filesnodejsnode_modulesnpmnode_modulesnode-gypgyppylibgyp__init__.py", line 545, in script_main
    return main(sys.argv[1:])
  File "C:Program Filesnodejsnode_modulesnpmnode_modulesnode-gypgyppylibgyp__init__.py", line 538, in main
    return gyp_main(args)
  File "C:Program Filesnodejsnode_modulesnpmnode_modulesnode-gypgyppylibgyp__init__.py", line 514, in gyp_main
    options.duplicate_basename_check)
  File "C:Program Filesnodejsnode_modulesnpmnode_modulesnode-gypgyppylibgyp__init__.py", line 98, in Load
    generator.CalculateVariables(default_variables, params)
  File "C:Program Filesnodejsnode_modulesnpmnode_modulesnode-gypgyppylibgypgeneratormsvs.py", line 1916, in CalculateVariables
    generator_flags.get('msvs_version', 'auto'))
  File "C:Program Filesnodejsnode_modulesnpmnode_modulesnode-gypgyppylibgypMSVSVersion.py", line 434, in SelectVisualStudioVersion
    versions = _DetectVisualStudioVersions(version_map[version], 'e' in version)
KeyError: '2017'
gyp ERR! configure error
gyp ERR! stack Error: `gyp` failed with exit code: 1
gyp ERR! stack     at ChildProcess.onCpExit (C:Program Filesnodejsnode_modulesnpmnode_modulesnode-gyplibconfigure.js:336:16)
gyp ERR! stack     at emitTwo (events.js:126:13)
gyp ERR! stack     at ChildProcess.emit (events.js:214:7)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:198:12)
gyp ERR! System Windows_NT 10.0.15063
gyp ERR! command "C:\Program Files\nodejs\node.exe" "C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js" "rebuild"
gyp ERR! cwd C:Usersuserinboxnode_modulesscrypt
gyp ERR! node -v v8.9.4
gyp ERR! node-gyp -v v3.6.2
gyp ERR! not ok
npm WARN inbox@1.0.0 No description
npm WARN inbox@1.0.0 No repository field.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.1.3 (node_modulesfsevents):
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! scrypt@6.0.3 install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the scrypt@6.0.3 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:UsersuserAppDataRoamingnpm-cache_logs2018-01-17T22_41_28_270Z-debug.log