Unbale to update PHP beyond 8.3.17
Posted by: ocandy (---.range86-189.btcentralplus.com)
Date: April 02, 2025 09:23AM

Hi All, hopefully someone can help or has experianced this issue.

I have been regually updating PHP on wampserver, and recenly updated to PHP 8.3.17 64bit sucessfully. If I try to update to 8.3.18 or 8.3.19 when i try to install the addon, I receive the error "wampserver 3 64bit is not installed on this machine. Update is cancelled."

I can install all addons within the 8.4.x branch and my wampserver 3 is recognised with these.

I'm downloading the addons from [wampserver.aviatechno.net] and have tried on a couple of PCs without luck.

Any help would be greatly appreciated.

Re: Unbale to update PHP beyond 8.3.17
Posted by: Otomatic (Moderator)
Date: April 02, 2025 10:04AM

Hi,

> wampserver 3 64bit is not installed on this machine. Update is cancelled.

The registry key created during installation and used for uninstallation no longer exists.
This key is :

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{wampserver64}_is1

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Documentation Apache - Documentation PHP - Documentation MySQL - Wampserver install files & addons

Re: Unbale to update PHP beyond 8.3.17
Posted by: ocandy (---.range86-189.btcentralplus.com)
Date: April 02, 2025 10:12AM

Hi Otomatic,

That was it, problem solved - thanks for the super speedy response!

Re: Unbale to update PHP beyond 8.3.17
Posted by: pradsubram@duck.com (---.dsl.bell.ca)
Date: August 11, 2025 06:17PM

Can someone please provide the exact registry entry that needs to be created, Key, String Value, DWORD, etc.? I am stumped here.

Thanks in advance.

Re: Unbale to update PHP beyond 8.3.17
Posted by: pradsubram@duck.com (---.dsl.bell.ca)
Date: August 11, 2025 06:41PM

Never mind. I figured it out. Sorry for the trouble.

[For those like me]
- Regedit
- go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\
- create a Key called "{wampserver64}_is1"

That's it.

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