How to fix SQL server installation error.

Question

I am having this problem. Please help me out.
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Answer 1

Hi @Fahim Sarker,

Thanks for the information you provided. According to your logs, I noticed that you’ve installed the SQL Server before. The errors in your logs are because you didn’t uninstall the SQL Server completely. Please follow the steps below to uninstall your SQL Server manually and then reinstall SQL Server.

1. Run services. MSc to view all services, stop all services related to SQL Server.
2. Uninstall all SQL Server components from ‘Programs and Features’.
3. Delete the SQL Server related registry. (1) HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager, delete the ‘PendingFileRenameOperations’ . (2) All the keys under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft about Microsoft SQL Server. (3) HEKY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSSQLServer .
4. Delete the relevant folders. (1) Remove the physical path where the Microsoft SQL Server database is installed. (2) Delete the default installation folder of the system (If it is 64-bit, don’t forget to check the Program Files (x86) folder).
5. Restart your computer.

Best regards,

Lucy Chen

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Answer 2

You post absolutely no information, like OS or SQL version, nothing, impossible to guess anything.

See https://learn.microsoft.com/en-us/sql/database-engine/install-windows/view-and-read-sql-server-setup-log-files?view=sql-server-ver16 for more details.

Answer 3

you appear to have a corrupted install. try:

sqlserver installer -> Maintenance -> repair

then try install. if this doesn't work, you will need to manually uninstall sqlserver

https://sqlcoffee.com/Tips0026.htm