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41

Beta Releases / Re: v16.0 Beta

« Last post by Ulfhednar on May 31, 2026, 14:13:35 »

F1 no longer invokes the MDV (as also noted by total_annihilation00)

Known issue with Win10, Should work on win11, but see https://forum.multicommander.com/forum/index.php/topic,5176.0.html
 -

Drive letter display drops letter after invoking copy/move operations.  See attached.

??

Ctrl+V to create a new file using copied text or image etc no longer works

Not able to reproduce. Is it only some files ? some data ?

• MC queue caused lock-ups with MC <25% CPU use & random values for file sizes & number of files.

Not able to reproduce, Always or only sometimes ?

• Files wouldn’t complete the tx, sometimes it would be the 2nd file in the queue, others the last file queued.

Don't understand

• File sizes from <1kb to >30gb, any number of files per folder/folders per selection - did not change the weird counts. 

Eh  ? Don't understand ..

Yesterday I moved ~15 files total ~3gb, MC hung on ~28% CPU & the dialog stated 129.3TB, & 0000s files moving.  Impossible for my machine.

Cant reproduce.. But If it hung. Then you can create a dump from task manager and I can see what it is hung at..
What it something special with the move operation ? any error in the log ?

MDV fixed with the webview dll, it had gone from the MC dir after update.  This is Win11 25H2 26200.8457 x64

Drive letters - you can see the image? Or just don’t know why...? 

CTRL+V - for the Save Clipboard function - now working again.

Queue hang -

• Seems random, probability increases when an external drive is connected & accessed for part of the queued items.
• Queue hangs & transfers fail, sometimes it is the 2nd item queued that MC hangs on, sometimes it will run thru the queue until the very last file in the list & then hang.
• Queue hangs - type & qty of files/folders vary but I get the strange value outputs in the move dialog when in hung state as per post

:-
https://forum.multicommander.com/forum/index.php/topic,5157.msg15463.html#msg15463

Dump - I still cannot upload to your site...  will try again.
I will try to examine the MC logs, I’d not been using them for this as MC could only be accessed after forced termination...
I also noticed <shift>F7 no longer adds clipboard string to new folder creation dialog.

42

Beta Releases / Re: v16.0 Beta

« Last post by Mathias (Author) on May 31, 2026, 00:02:38 »

F1 no longer invokes the MDV (as also noted by total_annihilation00)

Known issue with Win10, Should work on win11, but see https://forum.multicommander.com/forum/index.php/topic,5176.0.html

Drive letter display drops letter after invoking copy/move operations.  See attached.

??

Ctrl+V to create a new file using copied text or image etc no longer works

Not able to reproduce. Is it only some files ? some data ?

• MC queue caused lock-ups with MC <25% CPU use & random values for file sizes & number of files.

Not able to reproduce, Always or only sometimes ?

• Files wouldn’t complete the tx, sometimes it would be the 2nd file in the queue, others the last file queued.

Don't understand

• File sizes from <1kb to >30gb, any number of files per folder/folders per selection - did not change the weird counts. 

Eh  ? Don't understand ..

Yesterday I moved ~15 files total ~3gb, MC hung on ~28% CPU & the dialog stated 129.3TB, & 0000s files moving.  Impossible for my machine.

Cant reproduce.. But If it hung. Then you can create a dump from task manager and I can see what it is hung at..
What it something special with the move operation ? any error in the log ?

43

Beta Releases / Re: v16.0 Beta

« Last post by Ulfhednar on May 30, 2026, 14:36:43 »

I can't reproduce that.   The column thing might be fixed with the other column issues that was fixed.. but the miscalculation of items I can't reproduce.

Thanks for fixing the column thing
I am still having the queue weirdness but I suspect that the fact I'm using a custom commmand & the NODIALOG option may be related as F6 has behaved better.
See attached CC dialog entry.

So what is happening ? items not added to queue at all ?  What is the situation. lots of large /small files.. and you add to existing when there is allready a file operation in process... so it is not added to queue ? or something else.. ?

Thanks for the reply Mathias & new build.

As of build 3166 -
F1 no longer invokes the MDV (as also noted by total_annihilation00)
Drive letter display drops letter after invoking copy/move operations.  See attached.
Ctrl+V to create a new file using copied text or image etc no longer works

The queue now seems more stable (both with ctrl C X & V + with the MC move dialog with NEWQUEUE added & NODIALOG removed).

Previously I had errors when starting a move with the MC Move Button using settings on screen shown below, the queue was then added to, different files/folders going to/from different folders whilst initial op was in progress. 
[Additionally Win11 native ctrl+C X & V caused crashes randomly]

• MC queue caused lock-ups with MC <25% CPU use & random values for file sizes & number of files.
• Files wouldn’t complete the tx, sometimes it would be the 2nd file in the queue, others the last file queued.
• File sizes from <1kb to >30gb, any number of files per folder/folders per selection - did not change the weird counts. 

Yesterday I moved ~15 files total ~3gb, MC hung on ~28% CPU & the dialog stated 129.3TB, & 0000s files moving.  Impossible for my machine.
-- this is similar to what is now reported above by total_annihilation00

Now with 3166 I have just moved various files using both MC & Win11 methods & no issues - will continue testing to se what happens tho.

44

Beta Releases / Re: v16.0 Beta

« Last post by total_annihilation00 on May 30, 2026, 12:38:38 »

Sounds very strange. The source file are not deleted until windows has reported all data to target file are written. Sounds more like HW error.
I can't reproduce it. next time check if there are any errors reported in the fileoperation log (ctrl+L)

First of all it didn't get corrupted, the file was intact in the source path, it was just the target path that broke and listed it as 0 bytes and undeletable for a while since the move file operation aborted.
I think I know why the file operation failed to move to USB drive: I was sending it from C:\Users\dell\Downloads\thumbstick\CUT\SEND TO USB (COPY PDF FOLDER)\Temp FlashDrive Store\SendTo\Latest Software Delete (Temp)\CDRomance\TO CUT\css maps\Freed\HTML\Contra III - The Alien Wars (USA).sfc to F:\FILES-APPS+DL'S\GAME FILES\Genesis SNES NeoGeo ROMs\preexisting bkp 4 latest version (SNES)\Contra III - The Alien Wars (USA).sfc
So the file paths were probably too long, resulting in the lockup ! I tested on a 2 MB IceChat app Setup and it moved it instantly ! 😅

45

Beta Releases / Re: View File is broken in MC x64 v 16.0 (build 3166)

« Last post by total_annihilation00 on May 30, 2026, 10:54:28 »

Thanks Mathias, it's working properly now —the internal-text-viewer is firing up once again ! Also, I will test further and see if I encounter any problems with MC progress dialog box hanging again when moving files to USB drives. The file I moved was a 1 MB SNES ROM (.SFC) (just some game file.) Had no issues when moving via TeraCopy however. 😎👍

46

Beta Releases / Re: View File is broken in MC x64 v 16.0 (build 3166)

« Last post by Mathias (Author) on May 30, 2026, 09:12:27 »

This is beta version. so please keep it to the beta forum.. (I moved post)

Yes a file is missing for Windows 10, on Win11 this file is already installed by the system.


Unpack and place the included file next to MultiFileViewer.dll, for example in C:\Program Files\MultiCommander (x64)\Extensions\MultiFileViewer\
But it depends on install folder.

47

Support and Feedback / MOVED: View File is broken in MC x64 v 16.0 (build 3166)

« Last post by Mathias (Author) on May 30, 2026, 09:10:00 »

This topic has been moved to Beta Releases.

https://forum.multicommander.com/forum/index.php?topic=5176.0

48

Beta Releases / Re: v16.0 Beta

« Last post by Mathias (Author) on May 30, 2026, 09:09:17 »

( Issue #1 ) With the newest Beta update (3166), my File Internal-Text-Viewer hotkey isn't firing (it's set to Ctrl+Shift+F1.) As well as the View-File (set to F1) isn't working either. Was working before ! I'm on Windows 10.
P.S: Internal-Picture-Viewer is working fine though. I tried changing Internal-Text-Viewer to another keyboard combo, still doesn't fire. Also I have a "Smart Open (Ctrl+F9)" UDC script (that routes filetypes to custom apps) and that was taking a long time to fire (after the latest beta update), the script is finally working now (Internal-Text-Viewer and File-Viewer still remain broken) but might be related to the misfiring Internal-Text-Viewer. Also the User-Defined-command I have to open a Text File in Internal-Text-Viewer is also not working: MC.View FILE="D:\Download\My Docs\cpp programming notes.txt" VIEWAS=".txt" Please release a fix soon !
This is my Multi-File-Viewer config file I'm attaching (I use the "Audiowide" font if that helps):

Looks like the update tool miss copy of WebView2Loader.dll, The viewer now depends on that file to be able to show an embedded web rendering using edge,
On Windows 11 this fie exists already on the system so that is why it only fails on Win10.   

( Issue #2 ) When moving some file to my USB Drive (F:\) the progress got stuck & never completed ! Resulted in data loss.

Sounds very strange. The source file are not deleted until windows has reported all data to target file are written. Sounds more like HW error.
I can't reproduce it. next time check if there are any errors reported in the fileoperation log (ctrl+L)

49

Feature Requests and Suggestions / Re: BACKUP MC: Save the folder in the configuration

« Last post by total_annihilation00 on May 30, 2026, 05:46:18 »

I made the following User-Defined-Command 'Custom Commands' and assigned it as an alias named "bkp" so I can backup the config via the command Bar, repeatedly to the same file:

Backup MC Config:

Code: [Select]

MC.BackupConfig FILE="C:\Users\dell\Downloads\MultiCommander_ConfigBackup(latest).zip" ONLY_CONFIG
Change path to the backup save path you want the ZIP saved in, once you make the User-Defined-Command and assign it "bkp" or whatever you choose as the Alias, you can backup MC from the Command Bar just typing "bkp" and hitting enter (it'll backup silently.) Each time you execute the command it'll overwrite the same file without prompt. Hope it helps !

50

Feature Requests and Suggestions / Re: BACKUP MC: Save the folder in the configuration

« Last post by Anti-Bacterial on May 30, 2026, 02:25:40 »

Any update on this suggestion? It would be nice if MC remembered the last used backup folder.
Thank you