4.18 prev2 - failed to load ... .dll (GetLastError=126)

Development Programming & Scripting
1

testing 4.18 - prev2; when building a level, swarm starts I get a few errors in the swarm agent log;

8:53:55: Failed to determine engine directory: Defaulting to …/…/…/Engine/
8:53:55: Failed to load ‘aqProf.dll’ (GetLastError=126)
8:53:55: File ‘aqProf.dll’ does not exist
8:53:55: Failed to load ‘VtuneApi.dll’ (GetLastError=126)
8:53:55: File ‘VtuneApi.dll’ does not exist
8:53:55: Failed to load ‘VtuneApi32e.dll’ (GetLastError=126)
8:53:55: File ‘VtuneApi32e.dll’ does not exist

Lightmass renders fine though.

2

I have the same error with a 4.17.2 project.

3

same for me. engine open for like 10 seconds then ‘an unreal process has crashed’

4

Same for me.

5

Same here

6

Not for me anymore. No idea when the error disappeared. I’m on 4.18.1 now

7

O, hey guys. I fixed this issue after some really annoying hours. All I had to do was go into the project file and delete the “intermediate” and “saved” folders. After that it worked fine.

8

To fix this issue all you have to do is go into the project file and delete the “intermediate” and “saved” folders. After that it should work fine.

9

I’m having this same issue…

LogWindows: Failed to load ‘aqProf.dll’ (GetLastError=126)
LogWindows: File ‘aqProf.dll’ does not exist
LogWindows: Failed to load ‘VtuneApi.dll’ (GetLastError=126)
LogWindows: File ‘VtuneApi.dll’ does not exist
LogWindows: Failed to load ‘VtuneApi32e.dll’ (GetLastError=126)
LogWindows: File ‘VtuneApi32e.dll’ does not exist

I have tried deleting “intermediate” and “saved” folders but that does not fix the issue.

Has anyone found a fix for this or understand why it’s happening?

10

On both 4.17.2 and Preview 4.18.1

11

I have the exact same error as well on 4.17.2 and have no idea what it means.

12

19:30:40: Failed to load ‘aqProf.dll’ (GetLastError=126)
19:30:40: File ‘aqProf.dll’ does not exist
19:30:40: Failed to load ‘VSPerf140.dll’ (GetLastError=126)
19:30:40: File ‘VSPerf140.dll’ does not exist
19:30:40: Failed to load ‘VtuneApi.dll’ (GetLastError=126)
19:30:40: File ‘VtuneApi.dll’ does not exist
19:30:40: Failed to load ‘VtuneApi32e.dll’ (GetLastError=126)
19:30:40: File ‘VtuneApi32e.dll’ does not exist

I have the same problem! What to do?

13

Deleting the folders didn’t help me.

14

same here! and this VtuneApi32e.dll!!!
help!

15

Same problem, please up

16

Same problem - my game has been halted for a week now. Deleting saved and immediate folders DOES NOT FIX.

17

Same problem on 4.18.3, i cant open my ingame maps. I try do it on another version of unreal, and at another PC (windows and mac) and anyway look this.

18

I was able to use Git to revert my code base to the code I used a day before and everything has been fine since. The problem is not with the installation of the engine, but something in the project files themselves.

19

I never did figure out the reason for the crash. My project is also Blueplueprints. Hope someone figures it out.

20

But how to “treat” the project without knowing the reason? I deleted all the files that I worked with when this error occurred and it did not help me. Also the problem is that all the code is on “BP” and there is no way to change it manually.