Microsoft Visual - C 2008 Sp1 Redistributable Package Link

If you are trying to launch a game or an application on Windows and receiving an error message like "The program can't start because MSVCP90.dll is missing from your computer" or "Side-by-Side configuration is incorrect," you likely need to install the Microsoft Visual C++ 2008 Service Pack 1 (SP1) Redistributable Package.

Many older applications and games rely on these specific runtime libraries to function. You can install this alongside newer versions (2010, 2012, 2015+) without any conflicts. microsoft visual c 2008 sp1 redistributable package link

Open Control Panel → Programs and Features. Look for: If you are trying to launch a game

The presence of exactly 9.0.30729.6161 confirms you have the correct SP1 version with security updates. Open Control Panel → Programs and Features

Some enterprise applications from the same era rely on .NET alongside Visual C++. Install it via Windows Features (Control Panel → Programs → Turn Windows features on or off → .NET Framework 3.5).

Older systems may require a restart. Modern Windows 10/11 usually does not.