after run Tekla Structures Learning as administrator, renew my password, sets XS_LICENSE_SERVER_HOST=https:\\account.tekla.com in the teklastructures.ini, also remove the old version of TS learning 20.0 and re-install TS learning 20.1 reboot the system

tekla cann't find a server en shows the next message (see picture) it is in dutch.
"there is no valid license on the server avalible, try an other server or contact the system administrator"

teklastrutures.ini
"

set XS_LICENSE_SERVER_HOST=https:\\account.tekla.com
/*****************************/
/** FLEXNET SYSTEM SETTINGS **/
/*****************************/
set FLEXLM_TIMEOUT=100000

/********************************************/
/** BASIC TEKLA STRUCTURES SYSTEM SETTINGS **/
/********************************************/
set XS_DIR=C:\Program Files (x86)\TeklaStructuresLearning\20.1\
set XSDATADIR=C:\ProgramData\Tekla Structures Learning\20.1\
set XSUSERDATADIR=%LOCALAPPDATA%\Tekla Structures\20.1\
set XS_RUNPATH=C:\TeklaStructuresLearningModels\

set XSBIN=%XS_DIR%\nt\bin\
set XS_APPLICATIONS=%XS_DIR%\applications\
set XS_INP=%XSDATADIR%\environments\common\inp\

set DXK_FONTPATH=%XSDATADIR%\environments\common\fonts\
set DXK_SYMBOLPATH=%XSDATADIR%\environments\common\symbols\;%XS_DIR%\nt\TplEd\bitmaps\
set DAK_BMPPATH=%XSDATADIR%\bitmaps\
set APPL_ERROR_LOG=TeklaStructures

set XS_TPLED_DIRECTORY=%XS_DIR%\nt\tpled\
set XS_MIGRATION_WIZARD=%XSBIN%\applications\Tekla\Migrations\MigrationWizard.exe

set XS_EXTERNAL_EXCEL_DESIGN_PATH=%XSDATADIR%\environments\common\exceldesign\
set XS_DOT_PLUGIN_DLL_STRING=system.dll;System.Windows.Forms.dll;%XS_EXTERNAL_EXCEL_DESIGN_PATH%\Interop.Excel.dll;Tekla.Structures.dll;Tekla.Structures.Dialog.dll
set XS_DOT_PLUGIN_FILE=%XS_EXTERNAL_EXCEL_DESIGN_PATH%\Excel.vb
set XS_DOT_PLUGIN_NAMESPACE=Tekla.BC.Structures.Macros.ExcelMacro
set XS_DOT_PLUGIN_COMMAND=Run
set XS_DOT_EXCEL_PLUGIN=excelplugin

set XS_AD_DISABLE_SELECTION_SYNCH=true

path %XSBIN%;%PATH%

"
can you help, to solve the problem?

regards Frank Berns