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Unreal 4 Engine Crashing, Please Help!

Hello please help!

I am getting a strange error with my Unreal 4 project. I can’t even open it to salvage my created assets.

LoginId:d0c725154de8555f8dfa33b9247c019f
EpicAccountId:8bbfd95836004a3e847bce2ea3c07866

Assertion failed: InPos <= Size [File:D:\Build++UE4\Sync\Engine\Source\Runtime\Core\Private\HAL\FileManagerGeneric.cpp] [Line: 655]

UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_AssetRegistry
UE4Editor_AssetRegistry
UE4Editor_AssetRegistry
UE4Editor_Core
UE4Editor_Core
kernel32
ntdll

Is there something I can do about this?

Thank you in advance!

From that log it seems the project got corrupted somehow … Either there could be a defective hardware issue (RAM, SSD/HDU usually are the culprit but it might be the motherboard too) a hardware driver issue or it is a critical UE4 bug leading to corruption. I would first check the hardware to ensure everything is fine using SSD/HDU manufacturer low level sector-by-sector scanning utils and MemTest86 or MemTest86+ to check the RAM (which ensures CPU with its internal caches is working properly too). If the system is overclocked testing the hardware is obviously needed even more. Then if any driver was updated testing that would require more time and reinstalling the OS could be needed too (having boot OS partition backup images would save time, it is way faster restoring and checking than starting from scratch). If all tests would end up being good then you could send the corrupted project to Epic Games along with all the UE4 logs because it might be a serious bug needing them to fix it ASAP.

Ok thank you Dark!

Verifying the installation files can sometimes fix crashing issues. If you have Epic Launcher on your PC, you can use the built-in tool to check for the corruption within the installed files.

  1. Open the Epic Launcher.
  2. Click the Library Tab, then click the small down arrow to expand the drop-down list. Click Verify.
  3. Wait for the scans to complete. After the verification, the launch option appears. Click Launch.

See if this fixes your problem.


Charles