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GoonerUK54

1 Rookie

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7 Posts

1808

May 12th, 2024 08:55

Windows R Installer. V 5.0.22621.1 error 1639

XPS 15 9520

XPS 15 9520

Trying to install update of Dell Support Assistant and get Windows Insaller v5.0.22621.1 pop up. Click on OK then get error code 1639 which I understand is ERROR_INVALID_COMMAND_LINE.

Tried following:

At cmd prompt > run as administrator ran sfc /scannow. No errors found.

At cmd prompt > Dism /Online /Cleanup-Image /CheckHealth. No issues found.

 

At Run, ran msiexec /unreg then at Run, ran msiexec /regserver. Still no joy at running updates.

Also tried the following commands at Run:

Commands:

  • %windir%\system32\msiexec.exe /unregister

  • %windir%\system32\msiexec.exe /regserver

  • %windir%\syswow64\msiexec.exe /unregister

  • %windir%\syswow64\msiexec.exe /regserver

No joy.

 

Went to Start > services.msc > Windows Installer > Startup type tried to click the drop down to change to Automatic BUT could not change from manual as in lowkey

 

Any ideas welcome. Thanks in advance

Eddy9694

1 Rookie

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3 Posts

May 19th, 2024 10:11

I have the same issue...but I have not tried to install it as I don't know if it's legit! More Dell/Microsoft BS!

GoonerUK54

1 Rookie

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7 Posts

21-05-2024 14:45 PM

@Eddy9694​ 

Update.

My current Support Asst is version 4.0. It has a notice at the top advising that an update is available.

Via Dell UK website (where I am based) the link for home users is

https://www.dell.com/en-us/lp/dt/support-assist-for-pcs

I tried previously from this link and again, just now. Support Asst exe file downloads OK. I click to install and the software downloads entirely. It starts to install (we're getting things ready for you). Goes to 100%. Then now got error code 1639. BUT on this occasion SA updated to v4.0.3!

So I can only assume Dell did something at their end to resolve the problem.

Maybe try again and see. Good luck.


GoonerUK54

1 Rookie

 • 

7 Posts

May 21st, 2024 07:59

I went to MS who said to contact Dell!!!!

Interestingly, I have a Win 10 PC who updated Support Asst without issue..... Would be nice if someone from Dell came up with a solution.

Alpha Roy

1 Rookie

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1 Message

June 13th, 2024 19:57

I have had the same problem for several months. I have attempted to update 15 to 20 times over this time period. Same result every time.  My guess is that our PCs are refusing to allow Dell's app installer they download to be used. I get Error code 1639 and instructions to get verification the Installer is valid. I opened a ticket with Dell Customer Support and got completely ignored. PCs running Windows OS must use Microsoft's App Installer which is updated by Microsoft Store. Dell should get with Microsoft to resolve this issue. I don't even want to think about all those invalid installers installed on my PC. Today, again, I got the popup for Dell's installer through no action of my own. Happens at least once a week. So again I tried the update with same results. Hopefully the finally resolve this.

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