Laptop SSD NVME 500GB Kubuntu 20.04 LTS ... I'm on the beach by the sea 
14:29:57.288 Info: Start-up
14:29:57.323 Info: debugging enabled: false
14:29:57.323 Info: Qt library version: 5.12.8
14:29:57.323 Info: Qt library location default prefix: "/usr"
14:29:57.323 Info: Qt library location documentation: "/usr/share/qt5/doc"
14:29:57.323 Info: Qt library location headers: "/usr/include/x86_64-linux-gnu/qt5"
14:29:57.323 Info: Qt library location libraries: "/usr/lib/x86_64-linux-gnu"
14:29:57.323 Info: Qt library location executables: "/usr/lib/x86_64-linux-gnu/qt5/libexec"
14:29:57.323 Info: Qt library location Qt binaries: "/usr/lib/qt5/bin"
14:29:57.323 Info: Qt library location Qt plugins: "/usr/lib/x86_64-linux-gnu/qt5/plugins"
14:29:57.323 Info: Qt library location installed QML extensions: "/usr/lib/x86_64-linux-gnu/qt5/imports"
14:29:57.323 Info: Qt library location installed QML extensions: "/usr/lib/x86_64-linux-gnu/qt5/qml"
14:29:57.323 Info: Qt library location dependent Qt data: "/usr/lib/x86_64-linux-gnu/qt5"
14:29:57.323 Info: Qt library location independent Qt data: "/usr/share/qt5"
14:29:57.323 Info: Qt library location translation: "/usr/share/qt5/translations"
14:29:57.324 Info: Qt library location examples: "/usr/lib/x86_64-linux-gnu/qt5/examples"
14:29:57.324 Info: Qt library location Qt testcases: "/usr/tests"
14:29:57.324 Info: Qt library location Qt settings: "/etc/xdg"
14:29:57.324 Info: "QElectroTech V 0.80-DEV+81da7c671d79751d3"
14:29:57.324 Info: "Compilation : GCC 9.3.0"
14:29:57.324 Info: "Built with Qt 5.12.8 - Date : Sep 1 2020 : 08:08:19"
14:29:57.324 Info: "Run with Qt 5.12.8 using 8 thread(s)"
14:29:57.324 Info: "CPU : model name\t: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz\n"
14:29:57.324 Info: "RAM Total : 15828 MB"
14:29:57.324 Info: "RAM Available : 12956 MB"
14:29:57.324 Info: "GPU : Intel Corporation UHD Graphics 620 (rev 07)\n Intel Corporation Sunrise Point-LP Integrated Sensor Hub (rev 21)\n"
14:29:57.324 Info: "GPU RAM : @ToDo"
14:29:57.324 Info: "OS : linux - x86_64 - Version : Ubuntu 20.04.1 LTS - Kernel : 5.4.0-42-generic"
14:29:57.324 Info: *** Qt screens ***
14:29:57.324 Info: "( 1 : 3840 x 2160 )"
14:29:57.630 Info: Elements collection reload
14:29:58.033 Info: Elements collection finished to be loaded
745 ms
Same laptop same. SSD and same QET version, but on Win 10 boot ..
12:36:55.040 Info: Start-up
12:36:55.043 Debug: "File C:/Users/hp/Application Data/qet/20200820.log is deleted!" (../sources/main.cpp:147, void delete_old_log_files(int))
12:36:55.044 Debug: "File C:/Users/hp/Application Data/qet/20200821.log is deleted!" (../sources/main.cpp:147, void delete_old_log_files(int))
12:36:55.356 Info: debugging enabled: false
12:36:55.357 Info: Qt library version: 5.15.0
12:36:55.358 Info: Qt library location default prefix: "/home/laurent/digikam/project/bundles/mxe/build.win64/usr/x86_64-w64-mingw32.static/qt5"
12:36:55.359 Info: Qt library location documentation: "/home/laurent/digikam/project/bundles/mxe/build.win64/usr/x86_64-w64-mingw32.static/qt5/doc"
12:36:55.361 Info: Qt library location headers: "/home/laurent/digikam/project/bundles/mxe/build.win64/usr/x86_64-w64-mingw32.static/qt5/include"
12:36:55.362 Info: Qt library location libraries: "/home/laurent/digikam/project/bundles/mxe/build.win64/usr/x86_64-w64-mingw32.static/qt5/lib"
12:36:55.363 Info: Qt library location executables: "/home/laurent/digikam/project/bundles/mxe/build.win64/usr/x86_64-w64-mingw32.static/qt5/bin"
12:36:55.364 Info: Qt library location Qt binaries: "/home/laurent/digikam/project/bundles/mxe/build.win64/usr/x86_64-w64-mingw32.static/qt5/bin"
12:36:55.365 Info: Qt library location Qt plugins: "/home/laurent/digikam/project/bundles/mxe/build.win64/usr/x86_64-w64-mingw32.static/qt5/plugins"
12:36:55.366 Info: Qt library location installed QML extensions: "/home/laurent/digikam/project/bundles/mxe/build.win64/usr/x86_64-w64-mingw32.static/qt5/imports"
12:36:55.367 Info: Qt library location installed QML extensions: "/home/laurent/digikam/project/bundles/mxe/build.win64/usr/x86_64-w64-mingw32.static/qt5/qml"
12:36:55.369 Info: Qt library location dependent Qt data: "/home/laurent/digikam/project/bundles/mxe/build.win64/usr/x86_64-w64-mingw32.static/qt5"
12:36:55.369 Info: Qt library location independent Qt data: "/home/laurent/digikam/project/bundles/mxe/build.win64/usr/x86_64-w64-mingw32.static/qt5"
12:36:55.371 Info: Qt library location translation: "/home/laurent/digikam/project/bundles/mxe/build.win64/usr/x86_64-w64-mingw32.static/qt5/translations"
12:36:55.372 Info: Qt library location examples: "/home/laurent/digikam/project/bundles/mxe/build.win64/usr/x86_64-w64-mingw32.static/qt5/examples"
12:36:55.373 Info: Qt library location Qt testcases: "/home/laurent/digikam/project/bundles/mxe/build.win64/usr/x86_64-w64-mingw32.static/qt5/tests"
12:36:55.374 Info: "QElectroTech V 0.80-DEV+81da7c671d79751d3"
12:36:55.375 Info: "Compilation : GCC 9.3.0"
12:36:55.376 Info: "Built with Qt 5.15.0 - Date : Sep 1 2020 : 10:10:53"
12:36:55.377 Info: "Run with Qt 5.15.0 using 8 thread(s)"
12:36:55.378 Info: "CPU : NAME \r\r\nINTEL(R) CORE(TM) I7-8550U CPU @ 1.80GHZ \r\r\n\r\r\n"
12:36:55.379 Info: "RAM Total : 16199 MB"
12:36:55.380 Info: "RAM Available : 11557 MB"
12:36:55.381 Info: "GPU : VideoProcessor \r\r\nIntel(R) UHD Graphics Family \r\r\n\r\r\n"
12:36:55.382 Info: "GPU RAM : RAM Total : AdapterRAM \r\r\n1073741824 \r\r\n\r\r\n B"
12:36:55.383 Info: "OS : winnt - x86_64 - Version : Windows 10 Version 1903 - Kernel : 10.0.18362"
12:36:55.384 Info: *** Qt screens ***
12:36:55.385 Info: "( 1 : 3840 x 2160 )"
12:36:55.866 Info: Elements collection reload
12:37:19.838 Info: Elements collection finished to be loaded
24 seconds ...
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