em client won't start

EM Cient will not start. Gives me the following error message and tells me to contact customer support:

Help! - Full calendar in there…

System.Data.SQLite.SQLiteException (0x80004005): disk I/O error
disk I/O error
   at System.Data.SQLite.SQLite3.Prepare(SQLiteConnection cnn, String strSql, SQLiteStatement previous, UInt32 timeoutMS, String& strRemain)
   at System.Data.SQLite.SQLiteCommand.BuildNextCommand()
   at System.Data.SQLite.SQLiteCommand.GetStatement(Int32 index)
   at System.Data.SQLite.SQLiteDataReader.NextResult()
   at System.Data.SQLite.SQLiteDataReader…ctor(SQLiteCommand cmd, CommandBehavior behave)
   at System.Data.SQLite.SQLiteCommand.ExecuteReader(CommandBehavior behavior)
   at System.Data.SQLite.SQLiteCommand.ExecuteNonQuery(CommandBehavior behavior)
   at System.Data.SQLite.SQLiteCommand.ExecuteNonQuery()
   at System.Data.SQLite.SQLiteConnection.Open()
   at MailClient.Storage.Data.DataStore.GetConnectionInternal(String relativeName)
   at DbRepair.CorruptionChecker.CheckCorruption(RepairOptions repairOptions, CancellationToken token)
   at DbRepair.CheckingProcess.Check(CancellationToken token)
Data:
SQLiteCommandText: PRAGMA synchronous=Normal
databaseFile: 3f893369-5bf0-49c0-9465-d17cd6e156f2\959a8388-5c19-49d4-8043-61fad216f24b\mail_fti.dat

This is a duplicate of your question asked at https://forum.emclient.com/emclient/topics/em-client-wont-start-kfrbmbn0psym4