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Richard HessRichard Hess 

Update has detected running installation (Windows 10)

My AVG 2015 has started giving issues as of 8/23/15 as whenever I ran the Update now button it would come back stating: Update failed, Update has detected running installation. Complete that installation before starting update.  From what I have noticed that the windows installer in my current OS (Windows 10 Pro) is currently greyed out and is currently set to manual.  This may be an issue in the registry itself but I have yet to figure that part out.  Any help on this manner would be appreciated as it is affecting installing/uninstalling other programs as well.
Best Answer chosen by Zbynek (Avast) 
Pablo SotoPablo Soto
I just had to go to the Task Manager  ->  Process tab and delete the "Windows Installer" manually, after that the AVG updated normally, I didn't need to re-install.

All Answers

Joyson RegisJoyson Regis (Avast)
Hello Richard, I apologize for the inconvenience caused. Please have a look at this article - http://avgread.me/1G3Nbwm .
Richard HessRichard Hess
Still returning with the same error message after going through those steps.
Komal Sathish KumarKomal Sathish Kumar (Avast)
Hi Richard, we apologize for the inconvenience caused. May I know the name of the AVG Program with which you are facing this issue? Please do not hesitate to get back to us for further assistance. Thank you. 
Richard HessRichard Hess
AVG Version 2015.0.6125
Virus Database Version 4392/10497 (Sunday 8/23/15)
Link Scanner Version: 2722
Toolbar Version: N/ZA
Anti-Spam version: N/A
KishoreKishore (Avast) 
Hello Richard. I kindly request you to run AVG remover tool based on your OS (32-bit or 64-bit) to completely remove AVG and then re install the AVG program. please click on this link. http://support.microsoft.com/en-us/kb/827218 to determine whether your OS is a 32-bit or 64-bit.

To download AVG Remover tool for 32-bit: http://download.avg.com/filedir/util/support/avg_remover_stf_x86_2015_5501.exe
To download AVG Remover tool for 64-bit: http://download.avg.com/filedir/util/support/avg_remover_stf_x64_2015_5501.exe

Once uninstalled please follow the instructions on the article http://avgread.me/1czW57x to reinstall the AVG program. Please feel free to contact us back for further assistance. Thank you.
Richard HessRichard Hess
Ok, did the full uninstall and install step and its back up and running normally again.  Thanks for the help.
Sindhu KannanSindhu Kannan (Avast)
Hello Richard. You are welcome. Glad to hear that your issue has been resolved. Thank you for letting us know by replying.
David BrearDavid Brear

I had just the same problem - I thought initially that this was a Win 10 problem, until I found this page. Uninstall/reinstall worked fine.

Shouldn't happen though, should it? My time wasted, etc ...

Sindhu KannanSindhu Kannan (Avast)
Sorry for the inconvenience caused David. Glad to know that you have found this page and followed the reinstallation process and got the issue fixed. Yes it should have not happened but at times we get some bugs and we will find the fix for it soon. Thank you.
Michael SimmonsSmithMichael SimmonsSmith
I had the identical issue with my paid-for version of AntiVirus as did Richard Hess, and it was making me crazy until I Googled and found this solution, which was successful.  Kishore, thank you very much for your assistance with this matter....
AvinashAvinash (Avast) 
Hello Michael. Pleased to see that you appear to be now sorted. Thanks for returning to the Community & posting.Please contact us back should you need any further assistance. Thank you.
Nathan SteeleNathan Steele
The same thing is happening to me, and when I try to update some Adobe software, I get the error that says an installer is currently running, even though nothing is running. This seems to be a Windows 10 Issue. Has AVG learned anything about this?
Sindhu KannanSindhu Kannan (Avast)
Hello Richard. I have checked and can see that this is not an issue with AVG, In this case I kindly request you to contact windows for further assistance. Thank you.
Pablo SotoPablo Soto
I just had to go to the Task Manager  ->  Process tab and delete the "Windows Installer" manually, after that the AVG updated normally, I didn't need to re-install.
This was selected as the best answer
Gulam Shaik MohammedGulam Shaik Mohammed (Avast)
Hello Richard,
Its nice to hear that your issue is resolved. I really appreciate your valuable efforts in trying to fix it.
Please feel free to get back to us for any issues with AVG.
Thank you.
Connie BrysonConnie Bryson
I just encountered the same "update has detected running installation" error today. I tried the solution suggested by Joyson but it did not make any difference. I found that Pablo's solution above (delete Windows installer in Task Manager) solved the problem.
AvinashAvinash (Avast) 
Hello Connie. Thank you for sharing the valuable information. Please contact us back should you need any further assistance. Thank you.
Paul ReynoldsPaul Reynolds
uninstall and reinstall didnt work for me, had the same error. So I have tried ending the installer process and now when I update AVG hangs at 60% when updating. 
Komal Sathish KumarKomal Sathish Kumar (Avast)
Hi Paul,
You can find answer to your question together with your another post here ( https://support.avg.com/answers?id=906b00000008n6L ). Please try to keep the whole conversation in one question/thread to speed up resolution.
Feel free to contact us if you have any queries with AVG products. Thanks.
Olivier GrenierOlivier Grenier
Pablo Soto
I just had to go to the Task Manager  ->  Process tab and delete the "Windows Installer" manually, after that the AVG updated normally, I didn't need to re-install.
--------------------------

Hi, I have the same problem (using W10)  and removed and reinstalled AVG with the Remover and still same error message. I don't see the Windows Installer in the Task Manager. Any help would be appreciated! Thanks
Alan BinchAlan Binch
@ Olivier Grenier
Olivier, This more detailed article (https://support.avg.com/SupportArticleView?l=en_US&urlname=Update-has-detected-running-installation-message-when-updating-AVG) has now been released by AVG.
AVG Guru
Matt MartinMatt Martin
The solution by Pablo Soto "Task Manager  ->  Process tab and delete the 'Windows Installer' manually worked for me.
Vignesh WaranVignesh Waran
Putting your system in Clean Boot state helps in identifying if any third party applications or startup items are causing the issue. You need to follow the steps from the article mentioned below to perform a Clean Boot (http://www.trainingintambaram.in/informatica-training-in-chennai.html)
Paul WoolstenholmesPaul Woolstenholmes
The solution by Pablo Soto "Task Manager  ->  Process tab and delete the 'Windows Installer' manually worked for me also.

I would just like to point out that completely uninstalling antivirus software is a risky game to play IMO.

Some viruses can block your software from updating and subsequently allow newer malware to come in under the radar. I am always very suspicious of uninstalling my AV software and would never recomend this unless absolutely confident there is nothing dodgy going on in the background. Once your software is uninstalled anything can happen, including the virus making it seem as though your AV software has succesfully been re-installed.
Ada HeraldAda Herald
Thank you Pablo you are the best!!!!!!!  Your solution worked for me too.
 
Alok KumarAlok Kumar (Avast)
Hello Ada,
Thank you for your kind word and for your support of AVG products. It is customers like you that are helping to make AVG a household name.
Feel free to contact us again for any further assistance.
Thank you.
Hanne AuneHanne Aune

I can't find the Windows Installer either, nor that "msiexec.exe". 

AravindhAravindh (Avast) 
Hello Richard,
We regret the inconvenience caused. We would like to let us know whether you have installed AVG paid or a free version on your system and also please check whether you have installed AVG 2015 version or 2016 version. Thank you.
Suresh KSuresh K
I installed licensed AVG antivirus 2018 on my Win 10 desktop. After few mins of installation, many things stopped working like, start button, Edge browser (open then crashes), Store (open then crashes), settings (open then crashes), volume control, notification area. Also, when my computer goes sleep & I try to Login, I have been getting a LoginUI.exe error & have to hard reboot. Once I uninstall AVG, everything starts working fine.  I installed same avg version on a win 10 laptop its working fine. The only issue is on the desktop. Can't understand where exactly the problem is. Came across this post, so thought someone could help out. Thank you! 
https://skartecedu.in
Bhuvaneswari VairavanBhuvaneswari Vairavan (Avast)
Hello Suresh,

I understand the inconvenience. After installing AVG, it shouldn't happen. Are you using AVG trial or Paid version? May I know the Operating system installed on your Desktop?
Nguyen PhatNguyen Phat
Previously, I used anti-virus software like Avast or Kaspersky, but sometimes I deleted data about my 3g vina (https://dichvu3gvinaphone.vn/dang-ky-3g-vinaphone/) project being saved on my computer and now I have switched to using the power of AVG
Swethan GauriSwethan Gauri
When you run a Setup program to install ANY application, Setup may try to update some files and try to install ,troublehsoot.https://fireandsafetycoursesinchennai.in
Tran NamTran Nam
I used anti-virus software like Avast or Kaspersky, but sometimes I deleted data about (http://choiline98.com/) for me??? Help me?
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