Not able to connect adb after upgrate Android Studio to 3.4

Question

unable to connect to adb.check the event log for a possible issue, verify that localhost entry is pointing to 127.0.0.1 or:: 1 for ipv4 or ipv6

Answer 1

1. Clear all cache memory (related to Android Studio)

2. Restart ADB manually from Android Studio (first option)

Open Command prompt and got android sdk>platform-tools> adb kill-server

press enter

and again adb start-server

press enter

3. Restart ADB manually form Android Stidio (second option)

go to your (SDK store path) sdk>platform-tools>adb

press enter

ex. D drive > sdk>platform-tools>adb

4. Restart your system