After noticing that a bug i reported was set to 'solved' i wanted to see/check that. So, i downloaded/compiled Now i seem to be able to run the server, but i am unable to connect using 'mysql.exe' Luuk@ZES MINGW64 /d/TEMP/server (master) $ bld/client/RelWithDebInfo/mysqladmin -h localhost -u root version D:\TEMP\server\bld\client\RelWithDebInfo\mysqladmin.exe  Ver 9.1 Distrib 10.4.4-MariaDB, for Win32 on AMD64 Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Server version          10.4.4-MariaDB Protocol version        10 Connection              localhost via TCP/IP TCP port                3306 Uptime:                 23 min 15 sec Threads: 7  Questions: 4  Slow queries: 0  Opens: 16  Flush tables: 1  Open tables: 10  Queries per second avg: 0.002 Luuk@ZES MINGW64 /d/TEMP/server (master) $ bld/client/RelWithDebInfo/mysql -h localhost -u root #### no reaction, killin 'mysql.exe' just add another 'Aborted connection' to the server-log.... QUESTION: What am i missing here? The log from the server (Windows 10): Luuk@ZES MINGW64 /d/TEMP/server/bld (master) $ sql/RelWithDebInfo/mysqld.exe --console 2019-03-24 16:20:01 0 [Note] D:\TEMP\server\bld\sql\RelWithDebInfo\mysqld.exe (mysqld 10.4.4-MariaDB) starting as process 2024 ... 2019-03-24 16:20:01 0 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions 2019-03-24 16:20:01 0 [Note] InnoDB: Uses event mutexes 2019-03-24 16:20:01 0 [Note] InnoDB: Compressed tables use zlib 1.2.11 2019-03-24 16:20:01 0 [Note] InnoDB: Number of pools: 1 2019-03-24 16:20:01 0 [Note] InnoDB: Using SSE2 crc32 instructions 2019-03-24 16:20:01 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M 2019-03-24 16:20:01 0 [Note] InnoDB: Completed initialization of buffer pool 2019-03-24 16:20:01 0 [Note] InnoDB: 128 out of 128 rollback segments are active. 2019-03-24 16:20:01 0 [Note] InnoDB: Creating shared tablespace for temporary tables 2019-03-24 16:20:01 0 [Note] InnoDB: Setting file '.\ibtmp1' size to 12 MB. Physically writing the file full; Please wait ... 2019-03-24 16:20:01 0 [Note] InnoDB: File '.\ibtmp1' size is now 12 MB. 2019-03-24 16:20:01 0 [Note] InnoDB: Waiting for purge to start 2019-03-24 16:20:01 0 [Note] InnoDB: 10.4.4 started; log sequence number 139881; transaction id 21 2019-03-24 16:20:01 0 [Note] InnoDB: Loading buffer pool(s) from D:\TEMP\server\bld\sql\data\ib_buffer_pool 2019-03-24 16:20:01 0 [Note] Plugin 'FEEDBACK' is disabled. 2019-03-24 16:20:01 0 [Note] InnoDB: Buffer pool(s) load completed at 190324 16:20:01 2019-03-24 16:20:01 0 [Note] Server socket created on IP: '::'. 2019-03-24 16:20:01 0 [Note] Reading of all Master_info entries succeded 2019-03-24 16:20:01 0 [Note] Added new Master_info '' to hash table 2019-03-24 16:20:01 0 [Note] D:\TEMP\server\bld\sql\RelWithDebInfo\mysqld.exe: ready for connections. Version: '10.4.4-MariaDB'  socket: ''  port: 3306  Source distribution 2019-03-24 16:21:24 8 [Warning] Aborted connection 8 to db: 'unconnected' user: 'root' host: 'localhost' (Got an error reading communication packets) 2019-03-24 16:21:49 9 [Warning] Aborted connection 9 to db: 'unconnected' user: 'root' host: 'localhost' (Got an error reading communication packets)