In an operating system, the means of assigning a file extension or mime type to a particular application, as a default means of opening this type of file.

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26 views

What could be causing assoc to say “the system cannot find the file specified”?

I am running assoc from an administrative command prompt I'd like to add an entry for .vbsc in my list of associations. It won't let me, Though it will let me do one for .vbsd And it is running ...
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1answer
31 views

Cannot set a Windows 10 Store App as default program to open a file

Usually, right clicking on a file, selecting "Open with" followed by "Choose another app..." brings up the following menu which also includes installed apps, so that one may be set as the default ...
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0answers
19 views

Cannot open anything - No file associations?

A friend's Windows 8.1 pc cannot open any files, not even .exe, .lnk, etc. I suspect malware, but it's not something I've seen before and none of the standard tricks worked. Symptoms Regular Boot ...
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1answer
19 views

ftype changes are ignored. Where does Windows retrieve the “incorrect” value from? How can I enforce my changes?

assoc and ftype, provide a mapping between extension and a program to launch for that extension. And for some reason, despite what I have specified by assoc and ftype, some other application is ...
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1answer
60 views

How do I restore .bat association on Windows 8? [duplicate]

I have accidentally set the association for .bat files to notepad. This was done by going to the Default Programs panel and setting it to run with notepad. I've tried everything I can find on this ...
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0answers
11 views

Is it possible to associate an extension one way for Windows Explorer and another way for the command line?

I have several "executable file types", like FinalBuilder scripts with an extension .fbp8. I want the following scenario: If I type the name test on the command prompt, the script will be executed ...
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2answers
27 views

cannot chose any application in “Open With” for Windows 10

I usually use NotePad++ as my default text editor. I am using Windows 10, and for example I like to set .config files to open using NotePad++. Usually, in other version of windows you would click on ...
0
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1answer
55 views

How do I make PDF files to be opened as a Google Chrome application?

I want to use Google Chrome browser as my default PDF reader so I've associated .pdf file extension with the Google Chrome. But I'd also like Chrome to open it as an application window. I know I can ...
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0answers
14 views

How to remove file-assosiations to Qt Creator in KDE

How to remove file-associations to Qt Creator 5 in KDE? It is assigned to very many files format by default (txt, doc, xml, js, sql, and many many others). Trying manually remove some associations ...
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0answers
81 views

Default Mail app cannot be changed to Outlook 2016 OSX 10.11

The default mail app in OSX is 'Mail' and even though in the mail preferences the default is set to use Outlook, it still opens Mail to open a .eml file. I've tried this on 3 different computers and ...
0
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1answer
82 views

Mac OS X 10.10 Yosemite Changing File Associations not working

On the Mac I've got OS X 10.10 Yosemite and when I right-click and open-with a different program (and have to manually allow programs that aren't suggested) OS X immediately ignores me and keeps ...
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1answer
62 views

Getting Wordperfect 9 .wpd file associations to work under Windows 10

If I start a .wpd file Wordperfect 9 starts but does not load the file. An error pops up saying "An error occurred when sending commands to the program". The file itself opens ok from WP, it looks ...
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6answers
9k views

Windows 10 default programs keep changing

Since the fall update last month, Windows 10 automatically keeps changing the default apps for certain types (mostly browser,pdf,mp3,jpg). I have tried changing them back from the Settings app as well ...
2
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2answers
873 views

Microsoft Edge keeps taking over PDF file open/association

Every few days the file association for PDFs on my Windows 10 machine switches to Microsoft Edge. I then right click on a PDF, choose "Open With -> Choose Another App", select Acrobat from the list, ...
0
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1answer
47 views

System owns this folder

Occasionally I get messages telling me I can't access, modify or delete specific files and folders, even when I am an admin. For example the windows.old folder because system owns it. I am on Windows ...
0
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2answers
198 views

How can I set firefox as the default internet browser for all new users?

My organization uses Windows 10 VirtualBox VMs to test our internal applications. The way we do this is by creating an OVA that is already connected to our domain. Anyone on the domain can log into ...
2
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1answer
19 views

Markdown files starting with '##' confuse KDE

I have an unusual problem with KDE in Arch Linux. In particular, Dolphin detects files with the .md file extension as MATLAB rather than Markdown files, but only when the file's first two characters ...
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0answers
84 views

Windows 10 November update (10586) resets associations

Windows 10 November update resets associations to MS defaults, for instance .m3u is re-associated to Groove (which is unable to play that since it contains internet streams). How to automatically ...
0
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0answers
141 views

Windows 10 - uncheck by default “always use this app” when selecting a browser

I'd like windows to always ask me which browser I want to open a link in. For that after installing Firefox and did not select it as default browser and now every time an application tries open a web ...
0
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0answers
13 views

Change default program for Edit context menu [duplicate]

Using Windows 8.1 here. Something that was simple in Windows XP is frustratingly complicated in Windows 8.1...arggh! I'm trying to change the default action when I select "Edit" from the context menu ...
0
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1answer
74 views

How to execute shell script from PHP with non-standard extension?

I've Windows with shell integration installed from Git (as well as Cygwin) and the following PHP code fails to run external shell script which has .launcher extension: <?php passthru("foo.sh"); ...
4
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3answers
2k views

How do you want to open this file?

Windows 10 has a dialog that asks How do you want to open this file? Here's a screenshot I found on the web: I think it does this for every file type once. Since I have a lot of types that ...
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1answer
70 views

How do you restore the file associations to the Photos app on Windows Server 2012 R2?

GIMP took some file associations (for example *.png) that I would like restored to the Photos app that I presume is the default on Windows Server 2012 R2. How do I restore these file associations? I ...
1
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1answer
550 views

Change protocol handler to desktop app (like mapping URL:IRC to mIRC)

I'm trying to change the IRC protocol handler. Must I use a Store app as the below illustration somewhat suggests? The image shows that Windows is expecting the default program to be an app from ...
3
votes
0answers
96 views

Windows 10 file association, does not hold from search menu

I am facing a weird problem, I am using foobar (latest as of now, 1.3.8) to play mp3's in Windows 10, foobar is set as the default app for music, as is the '.mp3' extension, when I open an mp3 file ...
2
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1answer
2k views

Manually Add Program to Open With in Windows 10

I have a standalone version of IrfanView (x64) and want it to appear in the Open With menu for all image files. I do not want it to be the default program however. For some reason no matter what I do, ...
0
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1answer
28 views

Adding programs to default list

Can Outlook email be added into the list of default programs in windows vista? In 'Set Default Programs' there are only 2 programs listed, which are Firefox & Picasa Photo Viewer. Can other ...
0
votes
1answer
310 views

How do I stop using OneDrive as my default “Documents” location on Windows 10

I'm on Windows 10 and today I had to look for a file which I knew was in "Documents". However, when I browsed to the directory C:\Users\MyUser\Documents I didn't find the folder, the folder was in my ...
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0answers
73 views

Reset standard file association for js files

Normally .js files are executed using some script host executable and they have a specific icon and also have a special context menu entry "Open with Command Prompt"". Now some program or maybe it ...
1
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1answer
246 views

Windows 10 Visual Studio 2015 .xaml file association

.xaml files do not seem to associate with Visual Studio 2015 on Windows 10 (they aren't in the list of possible associations in the Settings > Default Apps stuff. Is there a way to force the ...
0
votes
1answer
367 views

How to change the default editor for PNG files from MS Paint to paint.net in Windows 10?

I have paint.net installed in my Windows 10 Pro. When I right-click a PNG file in the Windows Explorer, I see the Edit command. However, it opens the Windows Paint app, and I'd like to change it to ...
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1answer
4k views

How do I change APPLICATION associations in Windows 10?

Windows 10 installation broke some of my system associations. When I run some of broken apps, they often show a message, that they are not default anymore, proposing to make them default again. ...
0
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1answer
588 views

Reset Batch File Open Command for Windows 10

Awhile ago I attempted to change the default editor program for batch files to Notepad++ but instead set the default way to open it. I've attempted: ...
7
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2answers
546 views

Remember skype image opening program in windows 10

I have upgraded to windows 10 and skype started asking which image viewing program to use when you click on the image someone sent to you. The problem is that I cannot figure how to "remember" this ...
0
votes
1answer
41 views

Change default “Edit” application

When right clicking on a file in Windows - a PNG in this example - I know you can change the default app it opens with, but files such as PNG's also have an Edit option. Is it possible to change the ...
0
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1answer
36 views

reg add saves incorrect value for file association

Run from Admin this code works in Windows XP. set app=ExtrNS.exe set nam=ExtrNS@ REG ADD "HKLM\SOFTWARE\Classes\Directory\shell\%nam%\command" /v "" /t REG_SZ /d """"%CD%\ExtrNS.exe""" """%%1"" /f ...
0
votes
2answers
177 views

How do I set IE 11 as default browser on Windows 8.1 after having disabled it?

I previously disabled IE11 on Windows 8.1 as follows: Opened "Turn Windows features on or off" Unticked "Internet Explorer 11" Clicked "OK" When prompted, restarted machine I did not downgrade it. ...
1
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1answer
673 views

Opening an xlsx file in Windows 7 opens Excel 365 but without the document loaded

I see that there are similar questions posted, but none of the solutions work or they are for different versions of Excel & Windows. Let me try a question specific to my situation. The problem ...
0
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0answers
23 views

File associations for different users

In our environment, we have an admin windows account and a standard user login account. Our standard accounts have access to Office 365 ProPlus which is installed locally (click to run version), but ...
5
votes
2answers
275 views

Remove Suggested Programs for Unknown File Extensions

I regularly introduce all kinds of new, obscure file extensions to my system. For this explanation, I do not have any association with .xyz files. Say I create file.xyz. It has the default dog-eared ...
0
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0answers
298 views

how to Portable Apps permanent file type association?

I have windows 7 64bit. I have many portable apps in my D Drive. PROBLEM: I was able to before, now I cannot associate my files (txt,docx,...any extension) to PortableApps[dot]com portable apps such ...
0
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0answers
78 views

ProcMon - strange error when running from a batch file

I have a batch file which uses ProcMon to monitor another task and runs in a loop. Every 20 minutes I terminate procom and restart it with a new datetime-named backing file. This is to keep the log ...
0
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0answers
20 views

Windows file associations [duplicate]

I'm currently creating a .vbs script which is used to change the default program for a specific file extension however I'm not fully certain as to what registry keys/values I need to change. Doing a ...
2
votes
1answer
71 views

Use an environment variable to point to an “Open With” program

I have Windows Vista, but I guess this pertains to other versions as well. I want to set a program to be used in the Open With context menu. Now I want that the path to the .exe contain an environment ...
0
votes
2answers
113 views

Reset file associations to default (.z01 opens w/ winRar)

Does anyone know how to set file associations back to default on windows 8. Currently the file extention "z01" is opening with "winRar" & i want to reset it back to "unknown program".
1
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0answers
45 views

OS X Finder: “Plain Text Document” has changed to “text”, “Rich Text Document” to “rich text (RTF)”, etc

Sometime recently some file type names have changed — not the file associations or default application, but the name of the file type itself. "Plain Text Document" has changed to "text", "Rich Text ...
1
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1answer
105 views

Windows file association based on file type and then size

I have many videos stored on my harddrive. The ones which are of dvd or lower quality (480p, max size 7GB), I would like to open using vlc. The ones which are HD quality (720p, 1080p, size greater ...
1
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1answer
327 views

How to run a CMD file that is associated with a text editor [duplicate]

The file extension .cmd somehow got associated with Vim on my Windows 7 machine. When I try to run the cmd file, either by double clicking or running it by typing its name into a command prompt, it ...
1
vote
1answer
2k views

Accidentally associated .exe files with java.exe [duplicate]

I have downloaded a YawCam.exe program in order to take pictures with my webcam. After installation I clicked its icon to start then it opened 'Open With...' dialog to select which program to be ...
3
votes
1answer
1k views

How to stop Skype periodically asking default association for URL:Callto / URL:Skype protocol

Every now and then, perhaps weekly, I'm getting a pop-up from Skype after boot asking me to set associations for the program. If this is a Skype issue or a Windows (8.1) issue I'm not sure - but it is ...