How can solve the error ORA-12560: TNS:protocol adapter error
Mainly this error consisting Oracle services. May be that Services had stopped then “ORA-12560: TNS:protocol adapter error” will be showing .there are the main three
1)OracleXEClrAgent
2)OracleXETNSListener
3)OracleServiceXE
Jest open the RUN >enter 'services'
click the right button on the OracleServiceXE then Start the service problem will solve
