Default program - Crypto Shell Extensions

Is it possible to associate Crypto Shell extension as default program for files like aaa.XXX ?
Has Crypto Shell extension any executables? I see that the process is running under rundll32.exe cryptext.dll
Thanx
Tomas

Hi,
It couldn't be opened with Crypto Shell Extension. Even through you associate with this type, it would display error like this:
You could consider to convert it to valid other type file, like .cer. it would be like this:
Karen Hu
TechNet Community Support

Similar Messages

Stop firefox changing default program of .pdf extension on install

i need to install firefox on a terminal server, but when I have installed version 31.00 on client machines it always changes the .pdf file extension from Adobe Reader to Firefox's version. I need to be able to install this without fear of having to change the default file association for each user..
can anyone assist in this please?

hello, see this point in the [https://www.mozilla.org/en-US/firefox/31.0/releasenotes/ ff31 release notes]:
''audio/video .ogg and .pdf files handled by Firefox if no application specified (Windows only)''
this change was introduced through https://bugzilla.mozilla.org/show_bug.cgi?id=452254 but should only apply when no other program was set as pdf viewer during the time of the firefox installation. (also see comment 38, it apparently doesn't happen during a regular update or when firefox isn't set as default browser in the installer). if it is really overwriting the adobe programs in your environment i'd recommend filing a new bug at bugzilla.mozilla.org with more details about your system...

Cannot set default programs for a file extension in Gnome

After a gnome upgrade (cannot remember when), I can no longer set the default program for a particular file extension by right clicking the file in nautilus -> going to "properties" -> going to "open with" tab -> highlighting a program -> pressing "set as default".

The program I was trying to set was totem for default video playback; wine had made windows media player the default player prior. Interestingly, once I installed gnome-mplayer; the default program changed to gnome-mplayer and I was then able to switch default programs. This error may be related to wine.
Last edited by Bluerider (2013-07-05 23:07:59)

Using a LabVIEW application as default program for opening files

Google has returned nothing useful on this. I want to use a built LabVIEW application to open data files from the Windows desktop. It is easy to edit the Windows registry to set the application as default program - but I'm not sure how to set the event in LabVIEW to open the file. Any suggested reading?
Solved!
Go to Solution.

I have done this before...I have a small LabVIEW .exe which looks at the version of a VI and selects the appropriate version of LabVIEW to open it with if available. It also adds explorer context menu items for allowing you pick a specific version of LabVIEW to open the file with.
This is a rough idea of the registry keys for adding a program to handle specific file types and to add items to the shell menu in the installer:
Add your own 'LabVIEWOpenWithVersion' key and then add the key name to the OpenWithProgids for the file extensions you want to be able to open with your application. The command part looks like this:
Look at the Windows/MSDN help for what the different keys mean and how they are used, I think you can also set a key to make one of your handlers (e.g. Open, openWithLV) the default for the file type.
For getting the file that was opened 'with' your application, use the App.Args property, ignoring the first item (which is always LabVIEW) in the array.
Certified LabVIEW Architect, Certified TestStand Developer
NI Days (and A&DF): 2010, 2011, 2013, 2014
NI Week: 2012, 2014
Knowledgeable in all things Giant Tetris and WebSockets

Getting this error while opening a folder : This file does not have a program associated with it for performing this action. Please install a program or, if one is already installed, create an association in the Default Programs control panel

Hi,
While trying to open a folder on my Windows 7 Home Premium, an error comes "This file does not have a program associated with it for performing this
action. Please install a program or, if one is already installed, create an association in the Default Programs control panel." I tried searching on the net but did not get great support for the issue when it happens with folder opening.

Hi Nikunj Shah,
First, I suggest you download
Microsoft Safety Scanner or
Malicious Software Removal Tool to run a full scan.
The error messages here seems to be caused by the corrupted registries, which related with the folder association.
You may take a try to merge the following registry settings to reset the folder association, before that, remember to backup your registry settings first:
How to back up and restore the registry in Windows
Copy and paste the following commands into Notepad, and save it to a .reg file:
=================
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\Folder]
"ContentViewModeLayoutPatternForBrowse"="delta"
"ContentViewModeForBrowse"="prop:~System.ItemNameDisplay;~System.LayoutPattern.PlaceHolder;~System.LayoutPattern.PlaceHolder;~System.LayoutPattern.PlaceHolder;System.DateModified"
"ContentViewModeLayoutPatternForSearch"="alpha"
"ContentViewModeForSearch"="prop:~System.ItemNameDisplay;System.DateModified;~System.ItemFolderPathDisplay"
@="Folder"
"EditFlags"=hex:d2,03,00,00
"FullDetails"="prop:System.PropGroup.Description;System.ItemNameDisplay;System.ItemTypeText;System.Size"
"NoRecentDocs"=""
"ThumbnailCutoff"=dword:00000000
"TileInfo"="prop:System.Title;System.ItemTypeText"
[HKEY_CLASSES_ROOT\Folder\DefaultIcon]
@=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,25,\
00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,00,68,00,\
65,00,6c,00,6c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,33,00,00,00
[HKEY_CLASSES_ROOT\Folder\shell\explore]
"MultiSelectModel"="Document"
"ProgrammaticAccessOnly"=""
"LaunchExplorerFlags"=dword:00000018
[HKEY_CLASSES_ROOT\Folder\shell\explore\command]
"DelegateExecute"="{11dbb47c-a525-400b-9e80-a54615a090c0}"
[HKEY_CLASSES_ROOT\Folder\shell\open]
"MultiSelectModel"="Document"
[HKEY_CLASSES_ROOT\Folder\shell\open\command]
"DelegateExecute"="{11dbb47c-a525-400b-9e80-a54615a090c0}"
@=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,25,\
00,5c,00,45,00,78,00,70,00,6c,00,6f,00,72,00,65,00,72,00,2e,00,65,00,78,00,\
65,00,00,00
[HKEY_CLASSES_ROOT\Folder\shell\opennewprocess]
"MUIVerb"="@shell32.dll,-8518"
"MultiSelectModel"="Document"
"Extended"=""
"LaunchExplorerFlags"=dword:00000003
"ExplorerHost"="{ceff45ee-c862-41de-aee2-a022c81eda92}"
[HKEY_CLASSES_ROOT\Folder\shell\opennewprocess\command]
"DelegateExecute"="{11dbb47c-a525-400b-9e80-a54615a090c0}"
[HKEY_CLASSES_ROOT\Folder\shell\opennewwindow]
"MUIVerb"="@shell32.dll,-8517"
"MultiSelectModel"="Document"
"OnlyInBrowserWindow"=""
"LaunchExplorerFlags"=dword:00000001
[HKEY_CLASSES_ROOT\Folder\shell\opennewwindow\command]
"DelegateExecute"="{11dbb47c-a525-400b-9e80-a54615a090c0}"
[HKEY_CLASSES_ROOT\Folder\ShellEx\ContextMenuHandlers\BriefcaseMenu]
@="{85BBD920-42A0-1069-A2E4-08002B30309D}"
[HKEY_CLASSES_ROOT\Folder\ShellEx\ContextMenuHandlers\Library Location]
@="{3dad6c5d-2167-4cae-9914-f99e41c12cfa}"
[HKEY_CLASSES_ROOT\Folder\ShellEx\ContextMenuHandlers\Offline Files]
@="{474C98EE-CF3D-41f5-80E3-4AAB0AB04301}"
[HKEY_CLASSES_ROOT\Folder\ShellEx\DragDropHandlers\{BD472F60-27FA-11cf-B8B4-444553540000}]
@=""
[HKEY_CLASSES_ROOT\Folder\ShellEx\PropertySheetHandlers\BriefcasePage]
@="{85BBD920-42A0-1069-A2E4-08002B30309D}"
[HKEY_CLASSES_ROOT\Folder\ShellEx\PropertySheetHandlers\Offline Files]
@="{7EFA68C6-086B-43e1-A2D2-55A113531240}"
[-HKEY_CLASSES_ROOT\Folder\ShellNew]
[HKEY_CLASSES_ROOT\Folder\ShellNew]
"Directory"=""
"IconPath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\
74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,\
00,68,00,65,00,6c,00,6c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,33,00,\
00,00
"ItemName"="@shell32.dll,-30396"
"MenuText"="@shell32.dll,-30317"
"NonLFNFileSpec"="@shell32.dll,-30319"
[HKEY_CLASSES_ROOT\Folder\ShellNew\Config]
"AllDrives"=""
"IsFolder"=""
"NoExtension"=""
==================
Once done, right-click the REG file and choose Merge. Alternately, you can open the Registry Editor and then using the
Import option from the File menu, to merge the REG file contents.
Let me know if you need any further help.
Best regards
Michael Shao
TechNet Community Support

When viewing documents on a Web Server, IE automatically opens a blank page and then opens the document in the default program. The blank screen should close automatically but isn't happening.

So here is the situation, my company uses a third party scanning software, that puts documents scanned or created onto a webserver. We use a program that grants a user access to view the documents on the webserver. The user will have to log into the system
using credentials, we have Kerberos doing this. Once the user is logged onto the system they navigate to the document they want to view or edit. So the user wants to view a .pdf file, they click the document they want, and it is supposed to open in the default
program associated with file extension. ie: .doc would open Word, .xls would open Excel. When the document is loading in the default program Internet Explorer opens a blank page, this page is supposed to prompt the user if they want to open or save the document.
(I changed the registry to have the files selected to automatically open without this prompt.) The blank screen generated is still staying open, this screen is supposed to close automatically after the prompt or close automatically after the document is opened.
So when a user is looking at several documents, this floods the screen with all these blank Internet Explorer pages. This problem is only occurring for users that have Windows 7 PC's, XP users do not have this problem at all. My PC is the only one in the company
that is Windows 7 64-bit, and working properly with the IE blank page automatically closing. I'm wondering what can be done to fix this problem, is it as simple as registering some .dll files or do I need to make a registry change? Any help would greatly be
appreciated.

What is the registry change exactly? Sounds like one which is supposed to avoid the prompt. I know
that there used to be such a thing, before the new prompt and I know that some users think that there should be such a thing for any program but I'm not sure if that expectation is valid or not. I think this may also be related to a concurrent change
in the OS. E.g. in XP we had File Types Options editor but starting in Vista that was removed. You might get some more clues on this tack from NirSoft's FileTypesMan utility.
The registry change that I did was to remove the open and save prompt. I will be sure to look into that. Our company
isn't worried about the user's automatically opening the files since they are all trusted. They also do not have the ability to install anything, so if they were to download a potentially harmful file they could never install it. We monitor downloads as well,
if they download files off the internet that aren't work related we remove their download capabilities.
Sounds like a scenario for using ProcMon to take two traces and compare them for their essential differences.
I talked to my boss about using this tool and he is worried about using it. I'm only an intern at my office and do not have the authority to use a program without their knowledge or consent. I will run the idea by them again and see if it's okay I use this.
I'll maybe make some presentation about how it can help us with our problem and how much time and money it will save. Because I really want to get down to the bottom of this.
Probably the most significant thing is going to be the Content-type that the files are being served by.
You could use the Developer Tools, Network Capture to check on that and ProcMon could help explain what happens after that. A related workaround to change the symptom when the Content-type is not what is expected is to disable MIME Sniffing (e.g. in
Security options, Miscellaneous section). In fact, perhaps that could explain your machine's difference with anyone else? MIME Sniffing is a default, previously known as "save according to type not extension" (or some such wording).
Okay I will be completely honest I have no idea how to use Developer Tools (F12), yes I could google it, when I tried using it on the blank pages it would never work, I also have no idea what I'm looking at. I should mention that I do not have access to
the web server. Our programming and development side only has access to our AS400, which is where the web server is located. I do have MIME Sniffing enabled and so does everyone else. I may be wrong but, I believe it is needed in order to open the file extension
in the correct default program, yes? I thought MIME Sniffing would see a .docx file and then find the appropriate program to open that .docx file in. I may be wrong but I know it's used somehow along these lines.

Create an association in the Default Programs control panel

I have set an application (.exe) in the right click menu by REGEDIT-shell , and when I click on it this message appear : This file does not have a program associated with it for performing this action . Please install a program or,if one is already
installed,create an association in the Default Programs control panel , so how can I run it succeffully??

Hi,
What's your meaning by REGEDIT-shell? executable application belongs to Windows application doesn't need any other default programs open it.
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact [email protected]

Windows 8.1 (running in VMware Fusion 6) keeps resetting my default program associations after rebooting

I tried to set Google Chrome as my default browser in Windows 8.1 (virtual machine running in VMware Fusion 6) but somehow mysteriously failed over and over again.
According to Control Panel\Programs\Default Programs\Set Default Programs\Set Program Associations, there are 19 possible associations for Google Chrome:
Extensions: .htm, .html, .shtml, .webp, .xht, .xhtml;
Protocols: FTP, HTTP, HTTPS, IRC, MAILTO, MMS, NEWS, NNTP, SMS, SMS, SMSTO, TEL, URN, WEBCAL
I have no problem selecting some of them, or "set this program as default" so that "this program has all its defaults." (I am the only admin user, but not the builtin admin account.)
However, after restarting the VM, the program associations for Google Chrome will reset on its own. Specifically,
"this program has all its defaults" becomes "this program has 14 out of 19 defaults", losing the following five crucial protocols:
FTP, HTTP, HTTPS, MAILTO, NEWS
And these protocols simply hang there unassociated—they don't belong to IE either.
So I am extremely confused; how could the system reset my default program associations? What's wrong?
In case it is relevant, I will also post my VMware Fusion VM Default Applications settings here. All of the options are unchecked: "Open your Mac files and links using Windows applications"; "Open your Windows files and links using Mac applications";
"Run Windows applications from your Mac's Applications folder."
Thank you for your time.

Hi,
I have the same issue, and I've posted on the vmware forums with no responses other than another person having the same issue.
Have you been able to fix this? I tried importing the same VM into Parallels and the problem goes away. If I do a manual uninstall of Fusion (and remove VMWare tools from the VM), and then reinstall both, the problem goes away - temporarily. I had a few
good months, and it started again. Followed the procedure mentioned, and it went away again, but only survived a few reboots.
FYI, it's definitely not an issue with Chrome, as I'm having the same issue with Firefox (although I can duplicate on chrome as well).
Have you figured anything out?
Thanks!

Setting Photoshop CC 2014 as my "Default Program" to open JPEG files in Windows 7

I just installed Photoshop CC 2014 on my Windows 7 computer. I had set Photoshop as my "Default Program" to open up JPEG files. Now whenever I double-click a JPEG file, Photoshop CC will launch instead of Photoshop CC 2014. I have noticed that the executable files for all versions of Photoshop are "Photoshop.exe" (no wonder Windows gets confused). If I changed the name of the executable file for Photoshop CC 2014 to something like "Photoshop2014.exe" then Windows will let me choose the program as my "Default Program" to open up a JPEG, however this makes it impossible for me to open up files in Lightroom. Lightroom will default back to Photoshop CC.
I have changed the name of the executable file for Photoshop CC 2014 back to "Photoshop.exe" and renamed all the executable files for my legacy versions of Photoshop. This still does not work.
Do I need to make some types of change in the registry?

This is from the post at this site: Re: Adobe CS6 file associations are all messed up
Just change the directory to the correct EXE for cc 2014 and you should be good.
Correct Answerby Curt Y on Jun 5, 2012 7:08 PM
Here is a registy fix for Win7 machines to the file association problem.
This from TinusHDCA user:
I installed Photoshop CS6, then found CS5 was still there. I thought, hey, I don't need CS5 anymore, so I uninstalled CS5. then I found out that Photoshop was no longer available in 'Open with' when right-clicking an image...
So I went into the Registry, HKEY_CLASSES_ROOT\Applications\Photoshop.exe\shell\open\command, and changed the (Default) from "C:\Program Files\Adobe\Adobe Photoshop CS5 (64 Bit)\Photoshop.exe" "%1" to "C:\Program Files\Adobe\Adobe Photoshop CS6 (64 Bit)\Photoshop.exe" "%1" (so changed CS5 to CS6) - and now I see 'Adobe Photoshop CS6' in my 'Open with' list when right-clicking an image...

In "Set your default programs" under Win7, file associations of Firefox are tampered!

In "Set your default programs" under the Control Panel of Windows 7, Firefox does appears in the "Programs" list on the left. But, its icon is that of Windows Media Player.
After I click on the program's name (Firefox) to display the details on the right, I notice the icon for Firefox becomes that of Windows Media Player, too. And, "Mozilla Corporation" becomes "Microsoft Corporation."
If I click on "Set this program as default", files of these types are opened by Windows Media Player, not by Firefox:
htm, html, shtml, xht, xhtml.
So, I have to manually associate those file types with Firefox from "Associate a file type or protocol with a specific program."
To solve this problem, what registry entries should I edit?

I don't know if the extensions I use for version 19.2 suit the latest version. So, I just re-installed 19.2, and all is well now. Thank you very much for your help.
After the re-installation, I noticed there is a string value '''Firefox''' under
''HKEY_LOCAL_MACHINE\SOFTWARE\RegisteredApplications''
This registry key contains all the program names listed in '''Set your default programs'''. So, I guess that if the string '''Firefox''' points to Windows Media Player, I get the trouble.

Issues with default program.

I installed aSSD in my MacBookPro 13" and copied all of my files from my old hard drive to it and now all of my default programs are reseted.
I can't open DMG files now it just asks me what program I want to open it with. same with PKG files.
I tried to set DiskImageMounter as default application but it resets on system restart :/

Select one of the .dmg files. Press COMMAND-I to open the Get Info window. In the Open With panel select the desired default application the click on the Change All button. Repeat this for .pkg files or any other extensions for which you want to set a default application.
I also suggest you reset the LaunchServices database before the above:
Rebuild LaunchServices Database
Open the Terminal application in your Utilities folder. At the prompt paste in the following command in its entirety:
find /System/Library/Frameworks -type f -name "lsregister" -exec {} -kill -seed -r \;
Press RETURN. Wait for the Terminal prompt to return after which you can quit the Terminal.

I'v just installed creative cloud 64 bit windows. How can I make bridge the default program to upload pictures rather than lightroom?

I've just installed creative cloud 64 bit windows. How can I make bridge the default program to upload pictures rather than lightroom?

Usually the default program associated with an image file extension is an image developing Program like Lightroom or an image editing program like Photoshop. If you want to change the default associated program to Adobe Bridge you would use Window's Controls Panel file association applet.

How to disable APP and change default program in registry

Dear all,
it is possible to disable all the app (that appears in the start screen) in Windows 8.1?
Our users are a little bit confused and we prefer to use the old program (example Windows Photo Viewer and not Photos APP).
Let me know if it is possible and how to do it.
If yes, where we can edit the registry key to make the default program Windows Photo Viewer? And other programs? We would like to set Windows Photo Viewer as default app on all our computer in domain. It is possibile to edit this setting in registry?
And not manual from GUI?
Our PC are in a domain.
Thank you,

Hi,
According to your description, you want to open the file without using metro app.
We don't need to disable all metro app.
You can use the Deployment Image Servicing and Management (DISM) tool to change the default programs associated with a file name extension.
1.Deploy your Windows image to a test computer.
2 Log into Windows and use Control Panel to configure your default application associations.
3.You can export the default application associations that you have configured to an XML file on a network share or USB drive. For example, at a command prompt type the following command:
Dism /Online /Export-DefaultAppAssociations:\\Server\Share\AppAssoc.xml
4.Use GP server to enable the following group policy to modify the default Associations on the client machine.
Computer Configuration>Administrative Templates>Windows Components>File explorer>Set a default associations configuration file.
Regarding how to export or Import Default Application Associations,please refer to the following article:
http://technet.microsoft.com/en-us/library/hh825038.aspx
Regards,
Kelvin hsu
TechNet Community Support

"Open with" or "choose default program ..." Context menu broken.

Hi,
I have what appears to be a Context menu handler issue with my Windows 7 Home Premium - 64Bit.
I just discovered that if I right-click a file ( .txt , .avi , etc), and attempt to use "Open With", I do get a previously used list of programs to select from in the drop down list that appears. However, if I then select the "choose default program ..." dialog box, to find an alternative program to use, I keep ending up with the error message:
"This file does not have a program associated with it for performing this action. Please install a program or, if one is already installed, create an association in the default programs control panel ."
I tried re-booting without success. Looked at system restore and (STUPIDLY), I only had 2 very recent restore points to go back to, (I've since increased the restore storage allowance for the drives). Restore doesn't take me back to a usable state for this issue.
The default file types doesn't seem to be the problem, as all my files do have default programs associated with them. I can even select one of the alternatives from the right-click pop-up option menu, and the file open appropriately. I can also open and use the Default Program application via Control Panel.
The error message comes up as soon as I click on "choose default program...", from the bottom of the pop-up menu. It's as though that dialog isn't associated with the "Open with'' application anymore.
When I can get to the "Open with" application through other means, ..... the "Always use...." is greyed out, so it becomes a permanent selection / rather than temporary. I know I can sort a work-around out to re-select a default program, in a round-about way, ... but I'd just love to sort whatever has gone wrong with the right click context menu.
Whilst browsing around, I came accross this (but for Windows XP):
Clicking the "Open With" or "Choose Program..." option always opens the file with Notepad?
Note the second suggested error message. It's almost exactly what I'm getting in Win 7.
XP: "This file does not have a program associated with it for performing this action. Create an association in the Folder Options control panel."
Win 7 (my error message): "This file does not have a program associated with it for performing this action. Please install a program or, if one is already installed, create an association in the default programs controll panel."
Might I be on the right track, by any chance? Could this Registry key have become corrupted? Here's what I found...........
HKEY_CLASSES_ROOT\Unknown\shell\openas\command
Then double clicked default, and here is the value data for (Default):
%SystemRoot%\system32\rundll32.exe %SystemRoot%\system32\shell32.dll,OpenAs_RunDLL %1
If it's not this key, then I feel sure it's a Context menu handler that's become corrupted, for "Open with'' somewhere. I'm hoping someone might point me in the right direction. I'm reasonably confident in backing up / exporting and saving Registry keys - just not knowledgeable enough to know where to root around and know what should or shouldn't be there.
Apologies if this ends up in the wrong forum.
Any help much appreciated thanks.
:O)

I had the same issue and the problem was one missing registry key:
HKEY_CLASSES_ROOT\Unknown\shell\opendlg\command
opendlg instead of openas
The default value is
%SystemRoot%\system32\rundll32.exe %SystemRoot%\system32\shell32.dll,OpenAs_RunDLL %1
I exported the value from a pc that was working fine with the same system Windows 7 64 ultimate and this is the registry file that I exported from the pc witouth the problem and imported in the pc with the problem to solve the problem:
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\Unknown\shell\opendlg\command]
@=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,25,\
00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,72,00,75,00,\
6e,00,64,00,6c,00,6c,00,33,00,32,00,2e,00,65,00,78,00,65,00,20,00,25,00,53,\
00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,25,00,5c,00,73,00,\
79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,00,68,00,65,00,6c,00,6c,\
00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,4f,00,70,00,65,00,6e,00,41,00,\
73,00,5f,00,52,00,75,00,6e,00,44,00,4c,00,4c,00,20,00,25,00,31,00,00,00

Default program in i3

I run i3 as my window manager, and whenever I open a pdf file, i3 insists on opening it in Firefox. I was wondering how I can make pdf's open by default in zathura or evince, or more generally, how I can set a default program for certain file extensions in i3.
Thanks much,
Miles

myucht wrote:However, when I download a pdf using Chromium and click on file at the bottom of the window, Firefox opens and asks if I would like to open or save the file with the standard dialog window.
This is the information needed to understand your problem. Neither the window manager nor file manager you use have anything to do with it. See the wiki for a solution.

Default program - Crypto Shell Extensions

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