: In your game installation folder (e.g., SteamLibrary\steamapps\common\Prince of Persia ), try running Prince of Persia.exe directly instead of the launcher.

Prince of Persia (2008) – Ubisoft Issue: Launcher fails to start; error message: “This application has failed to start because its side-by-side configuration is incorrect.” Status: Verified – Caused by missing/incorrect Microsoft Visual C++ Redistributable (VC++ CRT) dependencies.

"Side by Side," Elias whispered. The forum post title echoed in his head. Launcher Side by Side Error Verified.

The most common cause is a missing or corrupted or 2008 redistributable package. Check Game Files for Redistributables :

Once the launcher opens, players often encounter a or crash. This is typically a "race condition" caused by modern multi-core processors.

The "Side-by-Side configuration" error when launching Prince of Persia (2008)

The community and official support forums have verified several methods to bypass or fix this error: