SQL Error 3403: This 3403 error occurs when your SQL server CRASHES and tries to recover from that state. While recovering it scans the complete transaction log files. If during scanning a page is found which is allocated to syslogs but the page header object ID does not match with the original syslogs file then this type of errors come up. When error 3403 displayed on the screen then the recovery process is failed automatically. So you need a dynamic tool to fix error 3403 use SQL Recovery Tool.
SQL Error 10022: When you are installing SQL Server you face this type of error. Because installation of SQL server gets corrupted and results into an error message like "windows could not start the SQL Server". Solve this by using SQL Recovery Tool.
SQL Error 8942: In SQL server database is stored in the form of tables. These tables are arranged in slots with a specific id and these slots occurs in ascending order means that the next slot id should be more than that of previous slot. But sometimes these tables become order less which leads to error 8942. So if you want to arrange these slots again then use SQL Recovery Tool.
SQL Error 18456: When there is an occurrence of login failed conditions then this type of errors come and users become disable to access those SQL database files. So use SQL Recovery Tool to access those SQL Database files.