c# - deploy fail Error: Mono.AndroidTools.InstallFailedException: Failure [INSTALL_FAILED_UPDATE_INCOMPATIBLE] -


my application has no error, when try debug application deploy fail no error , give me output:

:deployment failed 1>mono.androidtools.installfailedexception: failure [install_failed_update_incompatible] 1> @ mono.androidtools.internal.adboutputparsing.checkinstallsuccess(string output, string packagename) 1> @ mono.androidtools.androiddevice.<>c__displayclass90_0.b__0(task1 t) 1> @ system.threading.tasks.continuationtaskfromresulttask1.innerinvoke() 1> @ system.threading.tasks.task.execute() 1>the "installpackageassemblies" task failed unexpectedly. 1>system.aggregateexception: 1 or more errors occurred. ---> xamarin.androidtools.androiddeploymentexception: internalerror ---> mono.androidtools.installfailedexception: failure [install_failed_update_incompatible] 1> @ mono.androidtools.internal.adboutputparsing.checkinstallsuccess(string output, string packagename) 1> @ mono.androidtools.androiddevice.<>c__displayclass90_0.b__0(task1 t) 1> @ system.threading.tasks.continuationtaskfromresulttask1.innerinvoke() 1> @ system.threading.tasks.task.execute() 1> --- end of inner exception stack trace --- 1> @ xamarin.androidtools.androiddeploysession.d__99.movenext() 1>--- end of stack trace previous location exception thrown --- 1> @ system.runtime.compilerservices.taskawaiter.throwfornonsuccess(task task) 1> @ system.runtime.compilerservices.taskawaiter.handlenonsuccessanddebuggernotification(task task) 1> @ xamarin.androidtools.androiddeploysession.d__98.movenext() 1> --- end of inner exception stack trace --- 1> @ system.threading.tasks.task.throwifexceptional(boolean includetaskcanceledexceptions) 1> @ system.threading.tasks.task.wait(int32 millisecondstimeout, cancellationtoken cancellationtoken) 1> @ system.threading.tasks.task.wait() 1> @ xamarin.android.tasks.installpackageassemblies.execute() 1> @ microsoft.build.backend.taskexecutionhost.microsoft.build.backend.itaskexecutionhost.execute() 1> @ microsoft.build.backend.taskbuilder.d__26.movenext() 1>---> (inner exception #0) xamarin.androidtools.androiddeploymentexception: internalerror ---> mono.androidtools.installfailedexception: failure [install_failed_update_incompatible] 1> @ mono.androidtools.internal.adboutputparsing.checkinstallsuccess(string output, string packagename) 1> @ mono.androidtools.androiddevice.<>c__displayclass90_0.b__0(task1 t) 1> @ system.threading.tasks.continuationtaskfromresulttask1.innerinvoke() 1> @ system.threading.tasks.task.execute() 1> --- end of inner exception stack trace --- 1> @ xamarin.androidtools.androiddeploysession.d__99.movenext() 1>--- end of stack trace previous location exception thrown --- 1> @ system.runtime.compilerservices.taskawaiter.throwfornonsuccess(task task) 1> @ system.runtime.compilerservices.taskawaiter.handlenonsuccessanddebuggernotification(task task) 1> @ xamarin.androidtools.androiddeploysession.d__98.movenext()<--- 1> 1>build failed.`

i have no idea why getting , how can remove error. new in xamarin.android there don't know have do. try take google but, not able it. can 1 me stuck here past few days.

install_failed_update_incompatible happens when have debug version on phone , try overwrite release version, or vice versa. may happen when have major changes in new build.

go settings , app management. find app package name, uninstall , try deploying again.

it should fix issue.


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