debugging - Error code = 0x80070002

Question

debugging - Error code = 0x80070002

empleat 131

Hello,
i am getting this error message a lot lately. When i try to debug simple simple c++ program. I am new to c++ and learning basics. I tried tried to google it, but didn't find anything, except it could be something with linker.

It says exactly: ERROR: Unable to open file "path to file.obj" Error code = 0x80070002.

I used Visual studio community (in this case 19) many times before and never had this kind of error. I have simply no idea what is causing it.

Thanks for help!

5 answers

Your answer

Answer 1

Ken Tucker 5,861

try closing visual studio and delete the obj file. Open Visual Studio and try to debug the app again.

Answer 2

Dylan Zhu-MSFT 6,426

Hi empleat.

Do you build your project before debugging?

If so, you could go to Project properties->Linker -> Debugging, then set the Generate Debug Info to Generate Debug Information (/DEBUG) or Generate Debug Information optimized for sharing and publishing (/DEBUG:FULL).

Best Regards,
Dylan

Answer 3

empleat 131

That was for what?

Anyway it was set already to first option, i tried the second and same error.

THIS IS FROM OUTPUT WINDOW - DEBUG:

'auto formating.exe' (Win32): Loaded 'D:\files\dev\language\c++\testing\autoformating\auto formating\Debug\auto formating.exe'. Symbols loaded.
'auto formating.exe' (Win32): Loaded 'C:\Windows\SysWOW64\ntdll.dll'. 
'auto formating.exe' (Win32): Loaded 'C:\Windows\SysWOW64\kernel32.dll'. 
'auto formating.exe' (Win32): Loaded 'C:\Windows\SysWOW64\KernelBase.dll'. 
'auto formating.exe' (Win32): Loaded 'C:\Windows\SysWOW64\msvcp140d.dll'. 
'auto formating.exe' (Win32): Loaded 'C:\Windows\SysWOW64\vcruntime140d.dll'. 
'auto formating.exe' (Win32): Loaded 'C:\Windows\SysWOW64\ucrtbased.dll'. 
Error: Unable to open file D:\files\dev\language\c++\testing\autoformating\auto formating\auto formating\Debug\auto formating.obj. Error code = 0x80070002.Error: Could not find 'D:\files\dev\language\c++\testing\autoformating\auto formating\auto formating\Debug\auto formating.obj'. auto formating.exe was built with /DEBUG:FASTLINK which requires object files for debugging.
The thread 0x2740 has exited with code 0 (0x0).

I usually just debug program, but sometimes, there is need to build program i think. I remember, i read somewhere to do that, when i had some error.

Dylan Zhu-MSFT 6,426 Reputation points

2020-09-01T09:37:24.19+00:00

Hi,
Did you change other project properties? If so, could you please provide some steps which could help us reproduce it?

In addition, you could also try to re-create a new console application, then debug it.

Best Regards,
Dylan
empleat 131 Reputation points

2020-09-01T23:04:26.39+00:00

No, i didn't change anything in project. But i installed unreal engine extension. And i configured couple things for unreal engine. But that was mostly some ui elements and nothing even remote closely to linker. And it was working fine afterwards, don't think that's it. I couldn't tell you what i changed exactly, it was a lot of stuff. But i was careful and did that once already and had no problems.

Maybe i could send some logs, if you tell me how.
Dylan Zhu-MSFT 6,426 Reputation points

2020-09-02T02:21:44.54+00:00

Hi,
We suggest you could share the log through one drive and post the link here. We will download and read it on our side.

Best Regards,
Dylan
empleat 131 Reputation points

2020-09-22T19:03:34.21+00:00

I suppose you mean project log. There are many types of logs. I uploaded it on onedrive. https://1drv.ms/u/s!Ao1aPHX2QSfxgU-nAYsgJ73Pv_TB?e=eXp5Zh\
I also tried to google issue again and i found it is common issue for new people, that they don't have set visual studio to always build On Run. But i checked and i have it set to always. Otherwise i didn't found anything helpful. I also didn't change anything with debugger, or linker. So that strange it happens. Never had this issue before and i had installed VS many times! And i don't think, it is because i did some changes for Unreal Engine, as i did that in past and didn't have this problem and it was more type of changes, like ui changes etc.
empleat 131 Reputation points

2020-09-23T18:33:45.13+00:00

Had to create second reply as characters exceeded limit...

I have new log for you, from a different project. Because i just find out, you are supposed to set linker to debug full for maximal log info. I didn't know that! https://1drv.ms/u/s!Ao1aPHX2QSfxgWH8RVvdOCrvvM9A?e=Nar2Fo

Note: second file is zip, one drive is bugged and says: can't upload empty folder, while there are files! It worked previously, don't know what is going on... Also second project has enabled: error warning level 4, treat errors as warnings, disable language extensions and iso standard 17. But i don't use these normally, error happens nevertheless.

Sometimes program executes - not sure, but this issue is annoying nevertheless.
Dylan Zhu-MSFT 6,426 Reputation points

2020-09-30T09:35:39.477+00:00

Hi empleat,

Sorry for the delay in reply and thank you for sharing.

I have read your log files. There appears to be a problem generating the output file. We suggest to create a clean console application(C++) with win32 platform, then check if it could work on your side.

Best Regards,
Dylan
empleat 131 Reputation points

2020-09-30T10:30:14.72+00:00

I doubt that's it, because it happens to me almost all time, when i create new console program! Just now it happened to completely new console program.

Answer 4

empleat 131

Bump, could anyone help. It is annoying when you try to compile program and each time it gives you this error pop out window!

Answer 5

ismael lesaffre 1

bonjour, j'ai aussi le même problème, le même message et code d'erreur ainsi que la même fenêtre de sortie (exactement les mêmes phrases d'erreur que empleat-6716a) et c'est aussi quand j'essaye de deboguer

Share via

debugging - Error code = 0x80070002

5 answers

Your answer