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What’s SQLServer2019-KB5063758-x64.exe (Hotfix Pack)? Is it safe or a virus?

The SQLServer2019-KB5063758-x64.exe file by Microsoft Corporation is a hotfix update for SQL Server 2019, addressing specific bugs, vulnerabilities, or performance issues in the software. Hotfix packs are targeted updates designed to resolve known problems reported by users or detected after the product's release, ensuring SQL Server operates more securely and efficiently. These updates enhance system stability and reliability by applying necessary patches and optimizations without introducing significant changes or new features. It is part of Microsoft's ongoing support and maintenance for SQL Server 2019 to keep it secure and up-to-date for enterprise databases and applications.

Below are 4 simple steps you can take to see if the SQLServer2019-KB5063758-x64.exe process is safe or malware.

  1. Scan the executable with Microsoft's built-in tech
  2. Find SQLServer2019-KB5063758-x64.exe's publisher
  3. Search the executable's hash with VirusTotal
  4. Monitor the executable's behavior

Researched by Carl @ SpyShelter Labs

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More about SQLServer2019-KB5063758-x64.exe on WINDOWS

Who makes SQLServer2019-KB5063758-x64.exe (Hotfix Pack)?

We’ve found Microsoft Corporation should be the publisher of SQLServer2019-KB5063758-x64.exe.

How do we know? Our SpyShelter cybersecurity labs focuses on monitoring different types of Windows PC executables and their behaviors for our popular SpyShelter Antispyware software. Learn more about us, and how our cybersecurity team studies Windows PC executables/processes.

What does it mean if someone is the publisher of a PC .exe (executable or process)?

The publisher of an executable is the entity responsible for its distribution and authenticity. Most processes/executables on your PC should be signed. The signature on the executable should have been verified through a third party whose job it is to make sure the entity is who it says it is. Find an unsigned executable? You should consider scanning any completely unsigned .exe on your PC.

Last updated: August 13, 2025

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Why should you trust us?

Our team at SpyShelter has been studying Windows PC executables for over 15 years, to help fight against spyware, malware, and other threats. SpyShelter has been featured in publications like The Register, PC Magazine, and many others. Now we’re working to share free, actionable, and easy to understand information about Windows executables (processes) with the world, to help as many people as possible keep their devices safe. Learn more about us on our "About SpyShelter” page.

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