I can’t access 4.9.2 or 4.13 (the two versions installed on my machine). They crash on startup and give me an error message. The Epic Games Launcher also crashes if I try to access the library tab and gives me error CDF97.
The crash report for UE 4.9 is:
MachineId:DBE4316B45A182390BBD8AA7551BF2B3
EpicAccountId:f994587bf073404eb456cdcea8d9fc7a
Unknown exception - code 00000001 (first/second chance not available)
"Assertion failed: ctx->ReadOffset + length <= (uint32)ctx->CompressedData.Num() [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.9\Engine\Source\Developer\ImageWrapper\Private\PngImageWrapper.cpp] [Line: 378]
"
UE4Editor_Core!FDebug::AssertFailed() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\core\private\misc\outputdevice.cpp:354]
UE4Editor_ImageWrapper!FPngImageWrapper::user_read_compressed() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\developer\imagewrapper\private\pngimagewrapper.cpp:380]
UE4Editor_ImageWrapper!png_crc_read()
UE4Editor_ImageWrapper!png_read_row()
UE4Editor_ImageWrapper!png_read_image()
UE4Editor_ImageWrapper!png_read_png()
UE4Editor_ImageWrapper!FPngImageWrapper::UncompressPNGData() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\developer\imagewrapper\private\pngimagewrapper.cpp:311]
UE4Editor_ImageWrapper!FPngImageWrapper::Uncompress() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\developer\imagewrapper\private\pngimagewrapper.cpp:178]
UE4Editor_ImageWrapper!FImageWrapperBase::GetRaw() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\developer\imagewrapper\private\imagewrapperbase.cpp:58]
UE4Editor_SlateRHIRenderer!FSlateRHIResourceManager::LoadTexture() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\slaterhirenderer\private\slaterhiresourcemanager.cpp:315]
UE4Editor_SlateRHIRenderer!FSlateRHIResourceManager::FindOrCreateDynamicTextureResource() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\slaterhirenderer\private\slaterhiresourcemanager.cpp:653]
UE4Editor_SlateCore!FSlateElementBatcher::AddBoxElement() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\slatecore\private\rendering\elementbatcher.cpp:268]
UE4Editor_SlateCore!FSlateElementBatcher::AddElements() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\slatecore\private\rendering\elementbatcher.cpp:129]
UE4Editor_SlateRHIRenderer!FSlateRHIRenderer::DrawWindows_Private() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\slaterhirenderer\private\slaterhirenderer.cpp:591]
UE4Editor_Slate!FSlateApplication::PrivateDrawWindows() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1200]
UE4Editor_Slate!FSlateApplication::DrawWindows() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:927]
UE4Editor_Slate!FSlateApplication::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1441]
UE4Editor!FEngineLoop::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\launch\private\launchengineloop.cpp:2461]
UE4Editor!GuardedMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\launch\private\launch.cpp:142]
UE4Editor!GuardedMainWrapper() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]
And the crash report for the launcher is:
MachineId:DBE4316B45A182390BBD8AA7551BF2B3
EpicAccountId:f994587bf073404eb456cdcea8d9fc7a
You do not have any debugging symbols required to display the callstack for this crash.