Automatic Backup failed every Time when it starts

The periodical Backup dosnt work. Every time I get the following error message. Backup started by hand works without problems.

“System.Data.SQLite.SQLiteException (0x80004005): database disk image is malformeddatabase disk image is malformed
   bei System.Data.SQLite.SQLite3.Prepare(SQLiteConnection cnn, String strSql, SQLiteStatement previous, UInt32 timeoutMS, String& strRemain)
   bei System.Data.SQLite.SQLiteCommand.BuildNextCommand()
   bei System.Data.SQLite.SQLiteCommand.GetStatement(Int32 index)
   bei System.Data.SQLite.SQLiteDataReader.NextResult()
   bei System.Data.SQLite.SQLiteDataReader…ctor(SQLiteCommand cmd, CommandBehavior behave)
   bei System.Data.SQLite.SQLiteCommand.ExecuteReader(CommandBehavior behavior)
   bei System.Data.SQLite.SQLiteCommand.ExecuteNonQuery(CommandBehavior behavior)
   bei System.Data.SQLite.SQLiteCommand.ExecuteNonQuery()
   bei System.Data.SQLite.SQLiteConnection.Open()
   bei MailClient.Storage.Data.DataStore.GetConnectionInternal(String relativeName)
   bei DbBackup.FormBackup.Backup(CancellationToken cancellationToken)
   bei DbBackup.FormBackup.<>c__DisplayClass28_0.<mainform_load>b__0(Object a, DoWorkEventArgs b)
bei System.ComponentModel.BackgroundWorker.OnDoWork(DoWorkEventArgs e)
bei System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument)
SQLiteCommandText: PRAGMA synchronous=Normal”


Hello Efflon,

From what I see from the log, your database is most likely corrupted.

Please note that you have to close eM Client before making any changes in the database location, proceeding without closed eM Client can cause further database corruption.

In case you have all your data saved on servers you can simply delete the database folder and start eM Client.
It will create empty database where you can set your accounts again. All your data should be pushed to eM Client automatically then.
You can find eM Client database here:
C:\Users%Current User%\AppData\Roaming\eM Client
To locate AppData folder you need to view hidden folders in Windows:

In case that you have an account set as POP3, you can restore the old database backup if you made any in Menu > File > Restore