# Error when downloading android app **URL:** https://community.thunkable.com/t/error-when-downloading-android-app/936959 **Category:** Questions about Thunkable X **Tags:** help **Created:** [October 28, 2020, 9:28pm UTC](https://community.thunkable.com/t/error-when-downloading-android-app/936959 "2020-10-28T21:28:22Z") **Posts on this page:** 4 **Page:** 1
### Author: ![baran](https://avatars.discourse-cdn.com/v4/letter/b/b487fb/32.png) [@baran](https://community.thunkable.com/u/baran) #### Post date: [October 28, 2020, 9:28pm UTC](https://community.thunkable.com/t/error-when-downloading-android-app/936959/1 "2020-10-28T21:28:22Z")
can somebody help me? Command failed: $ANDROID\_HOME/build-tools/29.0.3/apksigner sign --ks /backend/builds/78ba6987-8fd2-40cd-8b2d-d8bc8f62da45/android.keystore --ks-pass pass:10ea4c8d-8d41-48dd-a191-deae1532fbb6 --out /backend/builds/78ba6987-8fd2-40cd-8b2d-d8bc8f62da45/signed-app.apk /backend/builds/78ba6987-8fd2-40cd-8b2d-d8bc8f62da45/zipaligned-app.apk Failed to load signer “signer #1” java.io.IOException: Keystore was tampered with, or password was incorrect at sun.security.provider.JavaKeyStore.engineLoad(JavaKeyStore.java:792) at sun.security.provider.JavaKeyStore$JKS.engineLoad(JavaKeyStore.java:57) at sun.security.provider.KeyStoreDelegator.engineLoad(KeyStoreDelegator.java:224) at sun.security.provider.JavaKeyStore$DualFormatJKS.engineLoad(JavaKeyStore.java:71) at java.security.KeyStore.load(KeyStore.java:1445) at com.android.apksigner.SignerParams.loadKeyStoreFromFile(SignerParams.java:353) at com.android.apksigner.SignerParams.loadPrivateKeyAndCertsFromKeyStore(SignerParams.java:239) at com.android.apksigner.SignerParams.loadPrivateKeyAndCerts(SignerParams.java:181) at com.android.apksigner.ApkSignerTool.sign(ApkSignerTool.java:277) at com.android.apksigner.ApkSignerTool.main(ApkSignerTool.java:83) Caused by: java.security.UnrecoverableKeyException: Password verification failed at sun.security.provider.JavaKeyStore.engineLoad(JavaKeyStore.java:790) … 9 more ---
### Author: ![tony.ycy.program](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/tony.ycy.program/32/100153_2.png) [@tony.ycy.program](https://community.thunkable.com/u/tony.ycy.program) #### Post date: [May 27, 2021, 3:26pm UTC](https://community.thunkable.com/t/error-when-downloading-android-app/936959/2 "2021-05-27T15:26:20Z")
Did you see it on the web or email ---
### Author: ![muneer](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/muneer/32/75210_2.png) [@muneer](https://community.thunkable.com/u/muneer) #### Post date: [May 27, 2021, 5:51pm UTC](https://community.thunkable.com/t/error-when-downloading-android-app/936959/3 "2021-05-27T17:51:02Z")
You are replying after 7 months. 🤔 ---
### Author: ![ioannis](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/ioannis/32/146956_2.png) [@ioannis](https://community.thunkable.com/u/ioannis) #### Post date: [November 8, 2024, 12:21pm UTC](https://community.thunkable.com/t/error-when-downloading-android-app/936959/4 "2024-11-08T12:21:52Z")