FreeFileSync Forum

hello,

first power on of this computer (that should have ceased to produce these errors). Today is the 27th, FFS is set up to delete logs after two days, so it should search and remove logs of 25th, but today it's trying to delete logs of 24th. I've inspected the log folder and I still have 286 ...

hello,

today it happened again on a computer where the problem seemed to be ceased:

Screenshot - 26_03_2026 , 17_43_58.jpg

It happened this morning, at the first power on of the day for this computer. FFS tried to delete a log file of March 23 that should have been already deleted, since I keep ...

hello,

I partially amend my last message: the phenomenon has ceased on all computers but one (an HP notebook) that still gives the problem. Please, look at the picture below:


Screenshot - 25_03_2026 , 20_36_24.jpg


I have also attached the complete text for today's log of the problematic ...

hello Zenju,

yes, I have one instance for every job, see pictures:

This is task manager:

Screenshot - 23_03_2026 , 15_22_13.jpg


And these are the six different jobs (this means that each job cannot generate an unique file name identical to that of another job, since the unique name for the ...

hello Plerry,

you are right. I made a bit of confusion between the version files, that are written in their own folder for every job, and the log files that are written all in the same default local folder, %appdata%\FreeFileSync\Logs. I haven't used the checkbox that you mentioned in your reply ...

hello,

FreeFileSync 14.8 Donation Edition. I use a series of real-time two-way sync jobs that work perfectly on multiple computers (four) and a NAS (which contains the pivot folders). These backups run via scheduled tasks every time the computers are turned on and remain running until they are shut ...

hello,

any news about this issue? I had to temporarily dismiss the real time sync feature opting for a scheduled task than runs a batch containing the eight jobs every ten minutes.

Salvatore

hello,

I have returned to the donation edition since yesterday morning and from that time I haven't had any error. I have made a fine tuning on the number of threads used by the eight jobs, setting them to a reasonable number for what that particular job must do. Useless to set eight threads for a ...

again with version 12.1:
Again, clicking "Retry" makes the job to complete successfully.

Now I will install 12.2 Donation Edition and see...

Salvatore

despite having reduced to one all threads in all jobs, I've just got this error with the free edition:
Clicking "Retry" made the job to finish normally.

Salvatore

Both in the "Portable" version and in the installed version are set 4 treads.

Great, the next version should fix this, too.



However, the installed version continues to give that warning today again, while the Portable version (copied to the desktop) starts and finishes the synchronization ...

@Salvatore Besso: I'm pretty sure this is a (file system) race condition when multiple threads are trying to create the versioning folders => TODO

@kRel: I suspect it's a similar issue when multiple threads are creating the temp directories for recycling, but:

What values have you set for ...

hello,


This suggests the slow down is not caused by RealTimeSync, but by FreeFileSync. Perhaps you've set up eight RTS instances, each of which trigger the same FreeFileSync batch job shown on this screenshot: https://freefilesync.org/forum/viewtopic.php?t=10209#p38033
Perhaps, FreeFileSync is ...

another update:

In the other thread

"Could not read attributes of file: Temporary access error: ERROR_FILE_NOT_FOUND"

I wrote that I have uninstalled the donation edition and that I have installed the free edition. Running the same eight jobs with the free edition doesn't change the loading ...

Nevermind!
"RealTimeSync - Automated Synchronization" is the entry for RTS_x64.exe
"RealTimeSync - Automated Synchronization (32 bit)" is the entry for RTS.exe, which has to be 32 bit or course xCSxXenon, 30 Mar 2023, 18:56

but why are they both executed?

Salvatore

There's more to it than just running a 64-bit OS. It is using RTS_x64.exe for me. Are you sure you installed it in "Program Files" and not "Program Files (x86)"?

of course.

Salvatore

Back to discussion also because to @Salvatore Besso these errors happen with the "Donate" version and - as happens to Salvatore - I too have to click 2 or more times on "Ignore" to complete the synchronization.

With the Free Portable version FreeFileSync_11.28_[Donation_Edition]_Windows_Portable ...

I think the detail is important and that this singularity needs to be considered.


hello, thank you for the support :-)

I also want to emphasize that there is no recycle bin involved in my case.
I also want to emphasize that not all the jobs suffer of this problem, but all the jobs have the ...

The 16 entries is because both FFS and RTS have a xxx.exe that determines if you need to run xxx32.exe or xxx64.exe. It leaves the main exe running for some reason


so I should see a x64 process, and not a 32 bit one, my machine is 64 bit.

If it leaves the main exe running, is it something that ...

The issue obviously revolves around the monitoring of those remote folders. Are they monitoring UNC paths or do you have these locations mapped as drive letters?

The 16 entries is because both FFS and RTS have a xxx.exe that determines if you need to run xxx32.exe or xxx64.exe. It leaves the main ...

That sounds more like the NAS is reporting the folder as a file incorrectly. I would bet that syncing the same source to a local local would work fine every time


it sounds strange that a NAS could erroneously report a folder as a file. But apart this, as I wrote, I have always used a NAS as ...

And with only 1 running?

I'm trying just now. Will report.

That is with 8 running, but nothing to do?

Exactly. Nothing to do for the eight jobs, but the other program still requires almost one minute to start instead of two seconds.

Do any of your RTS overlap in the directories they are ...

hello again,

I have started to play with RTS following the instructions found in the documentation and all seems to work well. On this computer (from which I'm writing) I have eight jobs that were normally executed manually every now and then. I have saved them as batch and then loaded in RTS and ...

hello,

just joined the forum. I hit this error as well, but in my case the recycle bin has nothing to do with my problem. Some additional information before explaining:

- This problem happens with not only one job, but with several.
- All my jobs use UNC paths for the destinations and for the ...