The "side-by-side configuration is incorrect" error in Prince of Persia (2008) is caused by missing legacy Microsoft Visual C++ 2008 (x86) files. Verified solutions include installing these redistributables, running the launcher as administrator, or bypassing the launcher by running the executable in Windows XP compatibility mode. Detailed troubleshooting steps and community discussions can be found at
The "side-by-side configuration" error in Prince of Persia (2008) typically occurs because the game's launcher cannot find the specific version of the Microsoft Visual C++ Redistributable it needs to run. This is common on modern Windows 10 and 11 systems that lack older runtime libraries. Verified Fix: Install Microsoft Visual C++ 2008
The most direct solution for this specific game is installing the Microsoft Visual C++ 2008 Redistributable Package.
Download the Redistributable: Visit the official Microsoft Download Center and download the x86 version. Even on 64-bit systems, many older games require the 32-bit (x86) runtime to function.
Install Both Versions: For maximum compatibility, it is often recommended to install both the x86 and x64 versions of the 2008 Redistributable.
Restart Your PC: After installation, restart your computer and attempt to launch the game again. Alternative Troubleshooting Steps
If installing the 2008 runtime does not resolve the issue, try these verified community steps:
Verify Game Files: If you are using Steam, right-click the game in your Library, select Properties > Installed Files, and click Verify integrity of game files to repair any corrupted launcher executables.
Run as Administrator: Navigate to the game's installation folder (typically C:\Program Files (x86)\Steam\steamapps\common\Prince of Persia), right-click Prince of Persia.exe, and select Run as administrator.
Compatibility Mode: In the same folder, right-click the executable, go to Properties > Compatibility, and check Run this program in compatibility mode for Windows 7 or Windows XP (Service Pack 3).
System File Checker (SFC): Corrupted system files can also trigger side-by-side errors. Open the Command Prompt as an administrator and run sfc /scannow to repair your Windows installation.
Side-by-side configuration is incorrect while starting an application
The rain battered the windowpane of Elias’s apartment, a rhythmic drumming that matched the frantic clicking of his mouse. It was a Tuesday night, the perfect time for nostalgia. Elias wasn't interested in the latest hyper-realistic shooters or battle royales. He wanted the sands of time, the cel-shaded beauty of a world dying and being reborn.
He wanted Prince of Persia (2008).
He had bought the game years ago on a digital marketplace, but his old rig—the one with the Radeon HD 5850—had long since been retired. His current machine was a beast, a tower of RGB lighting and liquid cooling running Windows 11. It should have eaten the game for breakfast.
Elias double-clicked the desktop icon. The hourglass spun. He waited for the Ubisoft logo to splash across the screen.
Nothing.
He double-clicked again. Still nothing.
"Come on," Elias muttered, taking a sip of cold coffee. He navigated to the game’s directory. He tried running the Prince of Persia.exe directly. A spinning circle, a moment of hope, and then—silence.
He opened the Task Manager. The process appeared for a split second, hovered around 12% CPU usage, and then vanished into the digital ether.
"Classic," Elias sighed. He was no stranger to old games fighting new systems. He rolled up his virtual sleeves. He set the compatibility mode to Windows 7. He ran it as Administrator. He disabled full-screen optimization. He edited the hardware_config file to force a resolution his monitor would recognize.
He pressed the launcher again.
Thump.
The sound of failure was becoming familiar. Frustrated, Elias pulled out his phone and typed the symptoms into the search bar: Prince of Persia 2008 launcher not working Windows 11.
The results were a graveyard of forum posts from 2010. He scrolled past threads about ATI drivers and PhysX versions. Finally, on a dusty tech forum buried on page three of the search results, he found a thread that had been updated only a month ago.
The title was specific: "Launcher Side by Side Error Verified."
Elias clicked the link. The user described the exact same issue: the game refusing to launch, the process dying instantly, and a distinct lack of error messages—until you dug deep.
"Check your Event Viewer," one reply suggested. "Look for Side-by-Side errors."
Elias frowned. He knew Event Viewer; it was the autopsy report of Windows. He hit Win + R, typed eventvwr, and navigated to Windows Logs > System. He cleared the log, then tried launching the game again. It crashed instantly.
He refreshed the log. A red error icon appeared.
He double-clicked it.
Event ID: 33 Source: SideBySide
The description was a mess of XML and technical jargon, but Elias focused on the key phrase: Activation context generation failed for "C:\Games\Prince of Persia\Prince of Persia.exe". Dependent Assembly Microsoft.VC80.CRT,processorArchitecture="amd64",publicKeyToken="1fc8b3b9a1e18e3b",type="win32",version="8.0.50727.6195" could not be found. prince of persia 2008 launcher side by side error verified
"Side by Side," Elias whispered. The forum post title echoed in his head. Launcher Side by Side Error Verified.
He leaned back in his chair. The "Side-by-Side" error was a ghost from the past. It wasn't the game itself that was broken; it was the environment. Windows 11 had moved on. The game was looking for a specific version of the Microsoft Visual C++ runtime libraries—the digital bricks the game was built upon—but Windows had demolished those old bricks years ago. It was like trying to start a car that required leaded gasoline in a world that only sold unleaded.
The "Side by Side" (WinSxS) folder in Windows was designed to hold multiple versions of these libraries so old programs could run, but the specific 2005/2008 version the Prince needed was missing or corrupted.
Elias felt a surge of determination. He wasn't going to let a missing DLL defeat him. He was the protagonist of this troubleshooting quest, and this was the boss fight.
He searched for the specific version mentioned in the error log: Microsoft Visual C++ 2005 Redistributable (x64).
He found a Microsoft download link that looked like it hadn't been touched in a decade. He downloaded the installer. It asked for permission. It installed a progress bar that looked like it belonged in Windows XP.
Success.
He rebooted the machine, a superstitious ritual he knew was likely unnecessary but performed anyway.
The desktop loaded. The rain was still falling outside. Elias stared at the icon. The image of the Prince standing on a precipice, the gauntlet glowing on his arm.
He double-clicked.
The screen flickered. The resolution adjusted. Then, a sound—a swelling orchestral hit, the sound of a desert wind. The screen turned black, and then, in vibrant, cel-shaded glory, the Ubisoft logo spun into existence.
Elias let out a breath he didn't know he was holding.
The main menu loaded. The music was haunting and beautiful. He clicked "New Game."
The error had been verified, and now, it was vanquished. The "Side by Side" mismatch had been bridged. Elias grabbed his controller, the frustration of the technical glitch fading, replaced by the immersion of a world saved. The Prince was running at last, his feet kicking up digital sand, no longer trapped in the limbo of a missing runtime library.
He had entered the lands of the Ahura, and for tonight, Windows 11 and 2008 were finally walking side by side.
To fix the "Side-by-Side Configuration is Incorrect" error for Prince of Persia (2008) Alternative: Bypass the Launcher Entirely If you try
, you must install the specific Microsoft Visual C++ 2005 or 2008 Redistributable packages required by the game's launcher. This error occurs when the game's launcher cannot find the exact version of the C++ runtime libraries it was built with. Verified Fixes
Install the Redists from the Game Folder: The most direct fix is often found within the game's own installation files.
Navigate to your game installation folder (e.g., SteamLibrary\steamapps\common\Prince of Persia\). Open the folder named VCRedist.
Run the file vcredist_x86.exe. Note: Even on 64-bit Windows, you must install the x86 (32-bit) version as the game is a 32-bit application. Restart your PC and try launching the game again.
Download Specific Missing Versions: If the local file doesn't work, users have verified that installing the Microsoft Visual C++ 2005 Service Pack 1 Redistributable or specific 2008 versions resolves the launcher issue. VC++ 2005 SP1: Available from Microsoft Support. VC++ 2008: Available from Microsoft Download Center.
Verify Game Files: If you are using Steam, verify that no launcher files are corrupted. Right-click Prince of Persia in your Steam Library. Select Properties > Installed Files. Click Verify integrity of game files.
Compatibility Settings: Set the launcher to run with administrative privileges. Right-click PrinceOfPersia_Launcher.exe in the game folder. Select Properties > Compatibility tab. Check Run this program as an administrator and click Apply. Advanced Troubleshooting
If the error persists, use the Windows Command Prompt to identify the exact missing version: i need assistance to solve side by side configuration error
Here’s a feature proposal for a hypothetical patch or fan-made launcher for Prince of Persia (2008) that resolves the “side-by-side configuration is incorrect” error — a known issue on modern Windows due to missing or incompatible Visual C++ runtime components.
If you try every step above and the launcher still refuses to cooperate, you can bypass the launcher entirely. This is a verified workaround.
Prince of Persia\Launcher\ (Note: deeper folder).PrinceOfPersia_Launcher_Compat.Exe or simply PrinceOfPersia.exe (the game engine, not the launcher).PrinceOfPersia.exe on your desktop. -nomoviestartup at the end.
"...\PrinceOfPersia.exe" -nomoviestartupThis command forces the game engine to boot directly, skipping the broken launcher entirely. Note: You will not be able to change graphics settings easily, so set them to high in Documents\Prince of Persia\Config.ini first.
The Prince of Persia (2008) is a cult classic that deserves to be preserved. While the "side by side configuration is incorrect" error is intimidating, it is not the end of the road. Our verification process shows that this error is purely environmental—rooted in missing Visual C++ 2005 and ATL runtimes.
By following the manual removal of old runtimes, installing the specific Microsoft SP1 + ATL update, and, if necessary, modifying the .exe manifest, you can defeat the error. If all else fails, bypassing the launcher via the direct PrinceOfPersia.exe is a verified, stable workaround.
Final verdict: The error is verified as fixable. Do not return the game or give up. The sands of time may have slipped away, but the Prince does not have to stay trapped on your desktop.
Have a different variation of the error? Let us know in the comments. If you used the manifest edit method, share your version of Windows (21H2, 22H2, 23H2) to help future readers.