'Could not connect to remote process. Aborting debug session. Attach Debugger OK button is grayed out

When I try to debug the app, the emulator sticks on "Waiting for debugger". Meanwhile, in the debug tab, it can be seen that AS is "waiting for application to come online". But after a moment shows "Could not connect to remote process. Aborting debug session". As a further attempt, after running the app normally, I try to "Attach Debugger to Android Process". "Choose Process" dialog is opened and the process on emulator is shown correctly, but the OK button is grayed out!

Android Studio version: 2020.3.1 patch 4: OS type and version: Windows 7 v6.1 Service Pack 1 Build: AI-203.7717.56.2031.7784292, 202110010236,

AI-203.7717.56.2031.7784292, JRE 11.0.10+0-b96-7249189x64 JetBrains s.r.o, OS Windows 7(amd64) v6.1 Service Pack 1, screens 1366.0x768.0

AS: Arctic Fox | 2020.3.1 Patch 3; Kotlin plugin: 203-1.6.0-release-798-AS7717.8; Android Gradle Plugin: 7.0.3; Gradle: 7.0.2; Gradle JDK: version 11.0.10; NDK: from local.properties: (not specified), latest from SDK: (not found); LLDB: pinned revision 3.1 not found, latest from SDK: (package not found); CMake: from local.properties: (not specified), latest from SDK: (not found), from PATH: (not found)Source: user_sentiment_feedback

I read and implemented all possible solutions in the web without any success. Still i encounter "Could not connect to remote process. Aborting debug session." This happens on all apps with all emulator and real phones.



Solution 1:[1]

Seems a duplicate of Could not connect to remote process. Aborting debug session

Please check there for things you can try. In my case IntelliJ (which was also open concurrently) was interfering with ADB. Disabling Android plugin in IntelliJ solved the issue.

Solution 2:[2]

Disable USB debugging in the developer options and enabling it does the trick.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Costyn Van Dongen
Solution 2 Muhammad Farhan Arif