Can't install composer on windows 10

[wijdanMT]

Hi,
I am encountering a problem in installing it on my pc,
I have read the following similar issue and followed the step's order:

#60

#123

This is my log :
Setup Log 2021-03-13 #009.txt

when I execute "C:\Users\MAHMOU1\AppData\Local\Temp\is-QSF1R.tmp" on Run:
"is-QSF1R.tmp" folder is opened with stdout.text file contains <C:\Users\MAHMOU1\AppData\Local\Temp\is-QSF1R.tmp>

I have tried "C:\WINDOWS\system32>sfc /scannow" with no success...

I checked out if the issue is with the user directory name as follows:

Note my TMP and TEMP has the same value:
TEMP=C:\Users\MAHMOU~1\AppData\Local\Temp TMP=C:\Users\MAHMOU~1\AppData\Local\Temp

I will appreciate any suggestion to work around this issue

[johnstevenson]

Thanks for taking the time to research the problem and provide information based on other issues - that really helps things at this end.

Open your Registry Editor (type "Registry" in the Windows search bar to find it) and look for an Autorun entry in the following locations:

• HKEY_CURRENT_USER\SOFTWARE\Microsoft\Command Processor
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Command Processor

I suspect that the value will be 1252.

By default, cmd.exe executes on startup whatever it finds in these two Autorun entries, so you need to delete them.

[wijdanMT]

Great! I didn't expect it for a moment that would cause the problem!
Thanks for your help, I appreciate your time.

[johnstevenson]

Glad you got this sorted.

When I replicate this myself (by adding 1252 to Autorun in the registry), the installer picks up, shows and logs the specific error:

However there is no mention of this in your log file. Could you explain how you solved the issue?