12-31 15:25:51.590  6623  6623 E AndroidRuntime: *** FATAL EXCEPTION IN SYSTEM PROCESS: main
12-31 15:25:51.590  6623  6623 E AndroidRuntime: java.lang.RuntimeException: There must be exactly one installer; found [ResolveInfo{bd352a5 com.android.packageinstaller/.InstallStart m=0x608000}, ResolveInfo{cc6a67a com.google.android.packageinstaller/com.android.packageinstaller.InstallStart m=0x608000}]
12-31 15:25:51.590  6623  6623 E AndroidRuntime:    at com.android.server.pm.PackageManagerService.getRequiredInstallerLPr(PackageManagerService.java:3834)
12-31 15:25:51.590  6623  6623 E AndroidRuntime:    at com.android.server.pm.PackageManagerService.<init>(PackageManagerService.java:3346)
12-31 15:25:51.590  6623  6623 E AndroidRuntime:    at com.android.server.pm.PackageManagerService.main(PackageManagerService.java:2317)
12-31 15:25:51.590  6623  6623 E AndroidRuntime:    at com.android.server.SystemServer.startBootstrapServices(SystemServer.java:752)
12-31 15:25:51.590  6623  6623 E AndroidRuntime:    at com.android.server.SystemServer.run(SystemServer.java:525)
12-31 15:25:51.590  6623  6623 E AndroidRuntime:    at com.android.server.SystemServer.main(SystemServer.java:368)
12-31 15:25:51.590  6623  6623 E AndroidRuntime:    at java.lang.reflect.Method.invoke(Native Method)
12-31 15:25:51.590  6623  6623 E AndroidRuntime:    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
12-31 15:25:51.590  6623  6623 E AndroidRuntime:    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:908)