title: Error: EPERM: operation not permitted, open
body: <p><strong>{ Error: EPERM: operation not permitted, open 'C:\Users\Vivek Sharma\apps\testAp
  p\www\assets\imgs\Thumbs.db’</strong></p>
  
  <p>**errno: -4048,</p>
  
  <p>code: ‘EPERM’,</p>
  
  <p>syscall: ‘open’,**</p>
  
  <p>path: ‘C:\Users\Vivek Sharma\apps\testApp\www\assets\imgs\Thumbs.db’ }</p>
  
  <p>[03:09:32] deeplinks started …</p>
  
  <p>[03:09:32] deeplinks finished in 110 ms</p>
  
  <p>[03:09:32] ngc started …</p>
  
  <p>[03:09:59] ngc finished in 26.71 s</p>
  
  <p>[03:09:59] preprocess started …</p>
  
  <p>[03:09:59] preprocess finished in 3 ms</p>
  
  <p>[03:09:59] webpack started …</p>
  
  <p>[03:11:33] webpack finished in 94.64 s</p>
  
  <p>[03:11:33] uglify started …</p>
  
  <p>[03:11:33] sass started …</p>
  
  <p><strong>Error: EPERM: operation not permitted, open ‘C:\Users\Vivek Sharma\apps\testApp
  www\assets\imgs\Thumbs.db’</strong></p>
  
  <p>(node:14288) PromiseRejectionHandledWarning: Promise rejection was handled async
  hronously (rejection id: 1)</p>
  
  <p>[03:11:36] sass finished in 2.99 s</p>
  
  <p>[03:11:36] cleancss started …</p>
  
  <p>[03:11:40] cleancss finished in 3.62 s</p>
  
  <p>[03:12:08] uglify finished in 34.76 s</p>
  
  <p>---------------------END-----------------------------------</p>
  
  <p>This error occurs when trying to build apk. using <strong>ionic cordova build android --release --prod</strong> in windows cmd</p>
  
  <p>ionic v-3.19.0
  cordova -v-8.0.0
  node -v-8.8.3
  npm -v-5.3.0</p>
  
  <p>WINDOWS 8.1 64 bit.</p>
  
  <p>full control is given to the system.</p>
  
  <p><a href="https://i.stack.imgur.com/hufNl.jpg" rel="nofollow noreferrer">enter image description here</a></p>
  
  <p>please help</p>