wifi driver

How do I fix this?

I ran Network_Driver_PX8MM_WN64_1.0.0_A00.EXE

and it failed. This is the log:

[Fri Apr 19 09:54:50 2019] Update Package Execution Started
[Fri Apr 19 09:54:50 2019] Original command line: "C:\Users\a\Downloads\Network_Driver_PX8MM_WN64_1.0.0_A00.EXE"
[Fri Apr 19 09:54:50 2019] DUP Framework EXE Version: 3.8.1.41
[Fri Apr 19 09:54:50 2019] DUP Release: PX8MMA00
[Fri Apr 19 09:54:50 2019] Initializing framework...
[Fri Apr 19 09:54:50 2019] Data in smbios table is (hex)value = 9 , Chasis type (hex)value = 9 , System type is : Client
[Fri Apr 19 09:54:52 2019] logo.png
[Fri Apr 19 09:54:55 2019] User Command: attended
[Fri Apr 19 09:54:55 2019] DUP Capabilities Value: 37748735 (0x23FFFFF)
[Fri Apr 19 09:54:55 2019] DUP Vendor Software Version: 1.0.0
[Fri Apr 19 09:54:55 2019] Local System/Model Compatible with this Package? Yes
[Fri Apr 19 09:54:55 2019] Local System OS Version: 10.0.0.0
[Fri Apr 19 09:54:55 2019] OS Compatible with this Package? Yes
[Fri Apr 19 09:54:55 2019] Local System OS Language: EN
[Fri Apr 19 09:54:55 2019] Language Compatible with this Package? Yes
[Fri Apr 19 09:54:55 2019] Identified Behavior : attended
[Fri Apr 19 09:54:55 2019] Extraction-miniunz path: c:\PROGRA~3\dell\drivers\A6F5B9~1\miniunz.exe
[Fri Apr 19 09:54:55 2019] Extraction-arguments: -x C:\Users\a\DOWNLO~1\NETWOR~2.EXE -o -d c:\PROGRA~3\dell\drivers\A6F5B9~1
[Fri Apr 19 09:54:56 2019] Extraction-GetExitCode: 0
[Fri Apr 19 09:54:56 2019] Identified Behavior : attended
[Fri Apr 19 09:54:56 2019] Temporary payload log file name: C:\ProgramData\dell\drivers\a6f5b9ae-20be-4ced-9b32-d11258fdedaf\DUPLogDir\DUP517F.tmp
[Fri Apr 19 09:54:56 2019] Translated Command Line :
[Fri Apr 19 09:54:56 2019] Path : C:\ProgramData\dell\drivers\a6f5b9ae-20be-4ced-9b32-d11258fdedaf
[Fri Apr 19 09:54:56 2019] Identified Behavior : attended
[Fri Apr 19 09:54:56 2019] (DupAPI::Execute): *** Executable mentioned in MUP.xml does not contain extension:
[Fri Apr 19 09:54:56 2019] (DupAPI::ExecutePayload): *** An unexpected error occured executing
[Fri Apr 19 09:54:56 2019] logo.png
[Fri Apr 19 09:54:56 2019] Name of Exit Code: ERROR
[Fri Apr 19 09:54:56 2019] Exit Code set to: 1 (0x1)
[Fri Apr 19 09:54:56 2019] Result: FAILURE
[Fri Apr 19 09:55:02 2019] Open file: C:\ProgramData\Dell\UpdatePackage\Log\Network_Driver_PX8MM_WN64_1.0.0_A00.txt