Client syncs non-stop

Nextcloud Desktop-Client
Version 3.6.2 (Windows).

windows-10.0.19045

My Cloud (V. 25.01) syncs multiple users flawlessly.

One user (Details above) gets synchronized, changes colour to green and shortly thereafter starts synching again, changes colour to blue and so it continues without end.

A short cutout of the logfile

> C:/Users/BenBenna/Nextcloud/
> # timestamp | duration | file | instruction | dir | modtime | etag | size | fileId | status | errorString | http result code | other size | other modtime | X-Request-ID
> #=#=#=# Syncrun started 2022-12-01T16:57:00Z
> #=#=#=#=# Propagation starts 2022-12-01T16:57:06Z (last step: 5607 msec, total: 5607 msec)
> ||Bens Programmdaten/Ahnenblatt/PlugIns/CDBurnXP-Andaluz.htm|64|2|1475775652|956079f139633d8861ef7d4cd342d119|1395|00041723ockbc0knl0t0|4||0|1395|1475775652||
> ||Bens Programmdaten/Ahnenblatt/PlugIns/CDBurnXP-French.htm|64|2|1209582626|918c44fffd1295e881e769b7972e1378|1414|00041726ockbc0knl0t0|4||0|1414|1209582626||
> cutout of abt 5000 lines
> ||SBRD/SBRD Tabellen/Feb-2017-BCSD.zip|64|2|1488383520|35aa4ccaf7d02a24a6ccb5722ea75fec|2087|00103011ockbc0knl0t0|4||0|2087|1488383520||
> ||SBRD/SBRD Tabellen/Jul-1-2017-BCSD.zip|64|2|1500269686|2d78cf29e8eaef1aa2933bd7609ec5b1|2107|00103010ockbc0knl0t0|4||0|2107|1500269686||
> ||SBRD/SBRD Tabellen/SBRD-BCSD_Okt-Abrechnung.zip|64|2|1509614727|19d6a79480bc297efaa6ff751f1b6a0e|2729|00103013ockbc0knl0t0|4||0|2729|1509614727||
> ||Documents/Privates/~dylan rough and ro~3sbpc0.idlk|8|1|1669905588||0||2|Der Prozess kann nicht auf die Datei zugreifen, da sie von einem anderen Prozess verwendet wird.|0|0|0||
> #=#=#=# Syncrun finished 2022-12-01T16:59:39Z (last step: 153501 msec, total: 159108 msec)
> #=#=#=# Syncrun started 2022-12-01T17:00:01Z
> #=#=#=#=# Propagation starts 2022-12-01T17:00:07Z (last step: 5684 msec, total: 5684 msec)
> ||Bens Programmdaten/EditPlus 3/control.ctl|64|2|1538749440|c7af4334e5fc45fa0e7b6e9a5e52ebc7|1009|00049004ockbc0knl0t0|4||0|1009|1538749440||
> ||Bens Programmdaten/EditPlus 3/cpp.acp|64|2|1549769716|bdc314c49c0a69e7a6581e9b577baf5e|449|00049007ockbc0knl0t0|4||0|449|1549769716||
> ||Bens Programmdaten/EditPlus 3/cpp.stx|64|2|1523362415|3ff33964e9b412620c743137df9576ee|1434|00049006ockbc0knl0t0|4||0|1434|1523362415||
> ||Bens Programmdaten/EditPlus 3/cs.acp|64|2|1549770143|22c0d7676c19c6a2bb5a6aad02c19703|618|00677611ockbc0knl0t0|4||0|618|1549770143||
> cutout of about 5000 lines
> ||SBRD/SBRD Tabellen/Feb-2017-BCSD.zip|64|2|1488383520|35aa4ccaf7d02a24a6ccb5722ea75fec|2087|00103011ockbc0knl0t0|4||0|2087|1488383520||
> ||SBRD/SBRD Tabellen/Jul-1-2017-BCSD.zip|64|2|1500269686|2d78cf29e8eaef1aa2933bd7609ec5b1|2107|00103010ockbc0knl0t0|4||0|2107|1500269686||
> ||SBRD/SBRD Tabellen/SBRD-BCSD_Okt-Abrechnung.zip|64|2|1509614727|19d6a79480bc297efaa6ff751f1b6a0e|2729|00103013ockbc0knl0t0|4||0|2729|1509614727||
> #=#=#=# Syncrun finished 2022-12-01T17:02:50Z (last step: 163056 msec, total: 168741 msec)
> #=#=#=# Syncrun started 2022-12-01T17:03:11Z
> #=#=#=#=# Propagation starts 2022-12-01T17:03:17Z (last step: 5619 msec, total: 5619 msec)
> ||Bens Programmdaten/LibreOffice/autotext/mytexts.bau|64|2|1435109472|a98da89be1a50bd2e45de1da110e12a0|557|00475936ockbc0knl0t0|4||0|557|1435109472||
> ||Bens Programmdaten/LibreOffice/gallery/sg30.sdv|64|2|1440068176|db78fb7eeb67d2ffe7edd6cc76e44024|2048|00598044ockbc0knl0t0|4||0|2048|1440068176||
> ||Bens Programmdaten/LibreOffice/gallery/sg30.thm|64|2|1440068176|fdd878d320b8edc5b4aab38b61dac03f|565|00598045ockbc0knl0t0|4||0|565|1440068176||
> ||Bens Programmdaten/LibreOffice/template/groupuinames.xml|64|2|1578172572|0c263706fdd9e070a46dc0b1ad650786|269|00598042ockbc0knl0t0|4||0|269|1578172572||
> ||Bens Programmdaten/LibreOffice/wlan.txt|64|2|1509019749|0a461010716207b7eb2ce46919b56449|71|00801064ockbc0knl0t0|4||0|71|1509019749||
> ||Bens Programmdaten/Ahnenblatt/PlugIns/CDBurnXP-Andaluz.htm|64|2|1475775652|956079f139633d8861ef7d4cd342d119|1395|00041723ockbc0knl0t0|4||0|1395|1475775652||
> 17:03:16||Bens 

I first noticed this strange behaviour after updating my NC to Version 25.01 about a wwek ago. Since then my Laptop syncs incessantly and keeps my cloud busy and does not synch the the laptop and the cloud…
What can I do?
I studied the documentation but found no help.
BenBenna