URL Drag-and-Drop into Windows File Explorer shortcut sometimes fails

Hello, This issue may be related with "[meta] Implement URL parser per URL Standard", opened 9 years ago(!), but updated only 1 month ago (bugzilla). If somehow applicabl… (read more)

Hello, This issue may be related with "[meta] Implement URL parser per URL Standard", opened 9 years ago(!), but updated only 1 month ago (bugzilla). If somehow applicable, just let me know that my issue is already being taken care. Thank you.

D&D a Firefox URL into Windows File Explorer, may fail. Just try it for yourself (Firefox for Windows, version 102):

Will fail (notice the additional folder created): D&D on this URL will fail

Will fail and may even create an invincible 0 byte file (Windows is unable to delete it...): D&D this URL will also fail

Won't fail: D&D this URL will *not* fail


I only noticed this wrong behavior in version 102.0 (Firefox 64-bit for Windows) but, as I use this D&D functionality quite often, I don't believe this problem to have occurred much before 101.x. Only tested it in Windows though (Windows 10 Pro - 21H2 19044.1766, 64-bit). This thus seems to be a BUG introduced in version 101.x or 102.0

By trial & error, I think I eventually found out what is leading the D&D to eventually fail: it's related with the web page title (i.e., the Firefox tab title). This behavior has nothing to do with the URL value itself.

When D&D an URL into File Explorer, the URL shortcut name is supposed to be created with the webpage title. However, Windows filenames have some unsupported characters: \ / : * ? ” <> |

So, I guess Firefox should first parse this title and remove all these unsupported characters (or replace them with, e.g., “-“), before assigning the title to the shortcut name (a .URL file). Which, as I understand it, is not happening anymore. I have not found any issue with the URL value itself.

In fact, the D&D result may vary, depending on the characters the webpage name includes.

If it contains a “/”, it will create one (or more) Windows folders before creating the URL shortcut. E.g., if I D&D a webpage URL into “C:\my URL shortcuts folder”, with title “CAT5E Shielded 3/50μ Gold-Plated”, it will create a shortcut (with the correct link) in C:\my URL shortcuts folder\CAT5E Shielded 3\50μ Gold-Plated.URL Obviously, even though the URL content is right, this is not the expected behavior!

More troublesome can be a webpage title that contains a “:”, because it creates a 0-byte no extension file which sometimes (but not always) refuses to be deleted by Windows. E.g., if I D&D a webpage URL into “C:\my URL shortcuts folder”, with title “ShinobiHub – Article: How to Update”, it will create a zero-byte file in “C:\my URL shortcuts” folder with name “ShinobiHub – Article” (no extension). Trying to remove the file in File Explorer may display the error message: “Item not found. This is no longer located in <PATH>. Verify the item’s location and try again.”

[BTW, after some digging I find out how to remove the file: Just open a DOS window and type: del "\\?\C:\my URL shortcuts folder\ShinobiHub - Article " No need to restart or do anything else, just need to put \\?\ before the directory when using the del command. Also use the tab button to make sure the name is correct; sometimes a space is added at the end that can be easily missed.]

Strangely enough, a “Verified by: Cloudfare” (or something similar) is also display just below Firefox Url.

I’m not sure about the effect of other different unsupported file name characters. Anyway, this was tested in 2 different Windows computers, both with same faulty results. The same operation in Chrome works as expected.

Conclusion: This issue should be easy enough to find but I could not find any *recent* report on a similar issue. That makes me wonder… is this really a bug?... Please help. Thank you. Cecilio

Asked by cecilio_jorge 17 minutes ago

Failure to install extensions

My installation of 32-bit Firefox 102 had been repeatedly crashing, sometimes for no apparent reason. I decided to download the 64-bit version of Firefox 102, uninstalle… (read more)

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Last reply by EdingtonJD 26 minutes ago

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I recently had to restore my computer. Doing that I have to get the new firefox which I now have version 102. Updates disabled instantly. I was on version 88. On version 88 this feature was not on it and version 102 now has this feature and I do not like it.

The feature I am talking about is if you open the downloads panel and view the downloads list and right click on one of the downloaded files in list there is now an option to Delete. I accidentlly hit this and thought it was just deleting it from downloads panel. Nope it deletes it from computer permanently, not even to recycle bin. Click Delete its gone for good until download it again.

And this delete option is right above the option remove from history, which I use a lot.

So I want to know how to disable this delete option? Thanks

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Last reply by cor-el 50 minutes ago

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Steps to re-create: create a new campagin attempt to change the display image using the hover-button over the image on the page. What happens: I click the "change image" … (read more)

Steps to re-create: create a new campagin attempt to change the display image using the hover-button over the image on the page.

What happens: I click the "change image" button, it gives me the os file picker. I select the file i want and click open and the file picker goes away. The "progress" bar at the top of the image shows up, changes through several states it seems. Then all screens freeze, and the computer stops responding to all output.

Supplemental info: This started happening after an update from ubuntu 18.04 lts to 21 to 22.04 lts. So I know I was not using a flatpak before and I am now.

I've attempted to use strace to figure out what's happening at the time of the freeze I'll include a picture of that if this form does not cause my entire pc to freeze. But didn't really get any useful info from that. I tried reading dmesg at the time of the crash but so far the screen freezes before any relevent information pops up. I've not been able to find any logs about whats going in previous dmesg logs.

Troubleshooting steps: I've attempted the same procedure in firefox's safe mode. This does not seem to stop the crash. I've attempted the same procedure using chrome and this works as it should.

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Neither have worked. Any suggestions appreciated!

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Both "areas" of Bookmarks are linked, deleting from one will update the other. Neither are isolated personal storage areas for selected bookmarks of the user's choosing. You can't keep/delete one bookmark in one area (Bookmarks toolbar and/or hamburger icon > Bookmarks) without the action being correspondingly reflected in the other area.

Now previously I could go to the hamburger Bookmarks, create and delete without my tool bar Bookmarks being effected. Any chance of this happening again please?

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Moving the profile was no problem. I simply copied it on an USB-Stick and moved it to the profile folder of the new installation.

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