An error after updating to unity 2021.2.7f1.

Internal build system error. Backend exited with code -1073741819.
STDOUT:
[ 0/431 0s] WriteText Library/Bee/artifacts/1900b0aE.dag/UnityEngine.UI.rsp
[ 1/431 0s] WriteText Library/Bee/artifacts/1900b0aE.dag/UnityEngine.TestRunner.rsp
[ 2/431 0s] WriteText Library/Bee/artifacts/1900b0aE.dag/Unity.Mathematics.rsp
[ 3/431 0s] WriteText Library/Bee/artifacts/1900b0aE.dag/UnityEditor.TestRunner.rsp
[ 3/431 0s] WriteText Library/Bee/artifacts/1900b0aE.dag/UnityEditor.UI.rsp
[ 3/431 0s] WriteText Library/Bee/artifacts/1900b0aE.dag/Unity.InternalAPIEngineBridge.001.rsp
[ 3/431 0s] WriteText Library/Bee/artifacts/1900b0aE.dag/Unity.2D.Common.Runtime.rsp
[ 3/431 0s] WriteText Library/Bee/artifacts/1900b0aE.dag/Unity.2D.Sprite.Editor.rsp
[ 8/431 0s] WriteText Library/Bee/artifacts/1900b0aE.dag/Unity.Burst.rsp
STDERR:
tundra: error: failed to create temporary file: C:\Users\�����\AppData\Local\Temp\tundra.27524.5
tundra: error: failed to create temporary file: C:\Users\�����\AppData\Local\Temp\tundra.27524.9
tundra: error: failed to create temporary file: C:\Users\�����\AppData\Local\Temp\tundra.27524.1
tundra: error: failed to create temporary file: C:\Users\�����\AppData\Local\Temp\tundra.27524.7
tundra: error: failed to create temporary file: C:\Users\�����\AppData\Local\Temp\tundra.27524.8
tundra: error: failed to create temporary file: C:\Users\�����\AppData\Local\Temp\tundra.27524.3
errno: 0 (No error) GetLastError: 3 (0x00000003): tundra: error: failed to create temporary file: C:\Users\�����\AppData\Local\Temp\tundra.27524.4
tundra: error: failed to create temporary file: C:\Users\�����\AppData\Local\Temp\tundra.27524.10
errno: 0 (No error) GetLastError: 3 (0x00000003): errno: 0 (No error) GetLastError: 3 (0x00000003): errno: 0 (No error) GetLastError: 3 (0x00000003): errno: 0 (No error) GetLastError: 3 (0x00000003): errno: 0 (No error) GetLastError: 3 (0x00000003): errno: 0 (No error) GetLastError: 3 (0x00000003): errno: 0 (No error) GetLastError: 3 (0x00000003): tundra: error: failed to create temporary file: C:\Users\�����\AppData\Local\Temp\tundra.27524.6
tundra: error: failed to create temporary file: C:\Users\�����\AppData\Local\Temp\tundra.27524.11
errno: 0 (No error) GetLastError: 3 (0x00000003): errno: 0 (No error) GetLastError: 3 (0x00000003): tundra: found 0 processes keeping the file “C:\Users\�����\AppData\Local\Temp\tundra.27524.1” open (showing 0).
tundra: found 0 processes keeping the file “C:\Users\�����\AppData\Local\Temp\tundra.27524.7” open (showing 0).
tundra: found 0 processes keeping the file “C:\Users\�����\AppData\Local\Temp\tundra.27524.5” open (showing 0).
tundra: found 0 processes keeping the file “C:\Users\�����\AppData\Local\Temp\tundra.27524.8” open (showing 0).
tundra: error: (!command_that_just_finished || !was_sharing_violation)
Anyone knows how to fix this?
Thanks

I think something is wrong with my C:/Users/(username) folder. Those �����s might be the reason why this is happening.

Does your username contain special characters or otherwise non-English characters? If yes, that could very well be the issue.