Failed to activate the app's side-by-side execution configuration or required assemblies.
A message appears indicating that the side-by-side configuration of the application is incorrect.
Check the SideBySide record in Event Viewer for the required assembly version.
If it is checked and resolved from above, you do not need to proceed to the next step.
A message appears indicating that the side-by-side configuration of the application is incorrect.
Difficulty Easy · Estimated time 5 minutes
Check points: Record the error code, when it occurred, and any recent changes.
Failed to activate the app's side-by-side execution configuration or required assemblies.
Difficulty Moderate · Estimated time 10~30 minutes
Check points: Check if the same assembly error is logged again.
If you are experiencing “game crashing” symptoms, possible causes include game file or driver issues, overlays, or background app conflicts. Check error messages, game files, graphics drivers, overlays and hardware stability in that order.
If “computer slows down” repeatedly, it is better to narrow it down to excessive background processes and insufficient storage space rather than changing several settings at once. First look for CPU, memory, and disk bottlenecks in Task Manager and check startup programs, storage space, and temperature.
Content review date: 2026-10-07