Maintenance Tool attempts to create start menu shortcuts, but it cannot, and sometimes it gives error

Start menu shortcuts (for command line prompt, linguist tool, and others ) is only created for Qt versions / Tools installed by OnlineInstaller in the first time. Qt versions / Tools installed further by Maintenance Tool -> add modules, does not has start menu short cuts. In the installation log, it can be seen the maintenance tool has attempted to create short cuts as below
==
[479594] perform qt.qt5.5155.win64_msvc2015_64 operation: CreateShortcut
[479594] - arguments: C:\WINDOWS\system32\cmd.exe, Qt/5.15.5/MSVC 2015 (64-bit)/Qt 5.15.5 (MSVC 2015 64-bit).lnk, /A /Q /K F:\Qt515\5.15.5\msvc2015_64\bin\qtenv2.bat
==
It does not seem it has used the correct path for lnk file.
And in some systems, the same step gives error
==
[8540252] perform qt.57.win64_msvc2015_64 operation: CreateShortcut
[8540252] - arguments: C:\Windows\system32\cmd.exe, Qt/5.7/MSVC 2015 (64-bit)/Qt 5.7 64-bit for Desktop (MSVC 2015).lnk, /A /Q /K C:\Qt\5.7\msvc2015_64\bin\qtenv2.bat
[8540253] Done
[8540253] Operation \"CreateShortcut\" with arguments \"C:\\Windows\\system32
cmd.exe; Qt/5.7/MSVC 2015 (64-bit)/Qt 5.7 64-bit for Desktop (MSVC 2015).lnk; /A /Q /K C:\\Qt\\5.7\\msvc2015_64\\bin\\qtenv2.bat\" failed:
[8540253] installationErrorWithCancel : Installer Error : Error during installation process (qt.57.win64_msvc2015_64):
Retry|Ignore|Cancel
==