i am new developer but i tried various methods like
update flutter
reinstall android
and etc
at the end i reinstall window 10
but problem not solved so any one can help me ?
error opening emulator WARNING | Failed to process .ini file C:Usersumar.androidavdINFO | Storing crashdata in: C:UsersumarAppDataLocalTempAndroidEmulatoremu-crash-34.2.13.db, detection is enabled for process: 5472.ini for reading. (2x) WARNING | Failed to process .ini file (null)config.ini for reading. WARNING | Failed to process .ini file (null)config.ini for reading. WARNING | Failed to process .ini file C:Usersumar.androidavdINFO | Storing crashdata in: C:UsersumarAppDataLocalTempAndroidEmulatoremu-crash-34.2.13.db, detection is enabled for process: 5472.ini for reading. WARNING | Failed to process .ini file (null)config.ini for reading. WARNING | Failed to process .ini file (null)config.ini for reading. WARNING | Failed to process .ini file C:Usersumar.androidavdINFO | Storing crashdata in: C:UsersumarAppDataLocalTempAndroidEmulatoremu-crash-34.2.13.db, detection is enabled for process: 5472.ini for reading. WARNING | Failed to process .ini file (null)config.ini for reading. WARNING | Failed to process .ini file (null)config.ini for reading. WARNING | emulator has searched the above paths but found no valid sdk root directory. PANIC: Cannot find AVD system path. Please define ANDROID_SDK_ROOT INFO | Android emulator version 34.2.13.0 (build_id 11772612) (CL:N/A) INFO | AVD INFO | Storing crashdata in: C:UsersumarAppDataLocalTempAndroidEmulatoremu-crash-34.2.13.db, detection is enabled for process: 5472 has path empty INFO | trying to check whether C:UsersumarAppDataLocalAndroidSdk is a valid sdk root

plz positive response for solution