A problem with installation?

Y M y.m447 at yahoo.com
Fri Sep 4 14:04:40 CEST 2020

Dear TUG,
I've downloaded the "iso2020" file at http://mirror.ctan.org/systems/texlive/Images/ in windows 10.
I right clicked on it,then clicked "mount",wentto the created virtual drive,and run as administrator the" install-tl-windows" file.A window popped up,so i clicked install.After about an hour it gave me an error,which is available on the attached pic.I clicked again on install but,the same error again.
I tried the process for two more times,but that was the same.

Then,i ejected the virtual drive,copied the iso file on desktop,and repeated the process,but in the installing window ended up with these lines;
" Retrying to install: tkz-euclide [1284k]
TLUtils::check_file: checksums differ for C:\Users\DIGIST~1\AppData\Local\Temp\29eLXJZlKz\Vp2ldqo0Ie/tkz-euclide.doc.r54200.tar.xz:
TLUtils::check_file:  tlchecksum=437470c707cf8bb6130003f3d1f6ef9a11023f6d3c98d303e651bee0d96c4bdecf5d3187bdb4a6527378d54a1c6eaf96ea65c149eb4f522c228680e1200575bf, arg=fb9608f5ad24661c29fe23ad22d6b5aadeb81fecdc2fe3d1f62aba02a606ff7abd15393a577213e9574dd2de41bd1e5b41bdf82208ff3ba9cea51e67fd9e4546
TLUtils::check_file:  removing C:\Users\DIGIST~1\AppData\Local\Temp\29eLXJZlKz\Vp2ldqo0Ie/tkz-euclide.doc.r54200.tar.xz, but saving copy in C:\Users\DIGIST~1\AppData\Local\Temp\HiKNrAX4wd
TLPDB::_install_package: consistency checks failed
Installation failed.
Rerunning the installer will try to restart the installation.
Or you can restart by running the installer with:
  install-tl-windows.bat --profile installation.profile [EXTRA-ARGS]
  install-tl-advanced.bat --profile installation.profile [EXTRA-ARGS]
E://install-tl: Writing log in current directory: C:/Windows/system32/install-tl.log  "

Please,let me know what to do.

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