texlive installation: checksums differ

ich versuche gerade texlive auf windows 10 zu installieren. leider bekomme ich immer irgendwann die fehlermeldung (nicht immer beim gleichen paket):

Code:

C:\Users\blabla\Downloads\install-tl-20180201>install-tl-windows.bat -no-verify-downloads -gui
PATH=C:\Users\blabla\Downloads\install-tl-20180201\tlpkg\tlperl\bin;C:\ProgramData\Oracle\Java\javapath;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\TortoiseSVN\bin;C:\Users\blabla\AppData\Local\Microsoft\WindowsApps
"C:\Users\blabla\Downloads\install-tl-20180201\install-tl" -no-verify-downloads -gui
ABORTED TL INSTALLATION FOUND: installation.profile (in C:/Users/blabla/Downloads/install-tl-20180201)
Do you want to continue with the exact same settings as before (y/N): n
Loading [url]http://ctan.space-pro.be/tex-archive/systems/texlive/tlnet/tlpkg/texlive.tlpdb[/url]
Installing TeX Live 2017 from: [url]http://ctan.space-pro.be/tex-archive/systems/texlive/tlnet[/url] (not verified)
Platform: win32 => 'Windows'
Distribution: net  (downloading)
Using URL: [url]http://ctan.space-pro.be/tex-archive/systems/texlive/tlnet[/url]
Directory for temporary files: C:\Users\blabla\AppData\Local\Temp\00oBLzAY1j
Installing to: C:/texlive/2017
Installing [0001/3536, time/total: ??:??/??:??]: 12many [376k]
[...]
Installing [0035/3536, time/total: 00:33/53:01]: acro [597k]
TLUtils::check_file: removing C:\Users\blabla\AppData\Local\Temp\00oBLzAY1j\a8p7_73fwP\acro.doc.tar.xz, checksums differ:
TLUtils::check_file:   TL=e451e88066d5f544552345655bcb7df06a2df5d2b020426ec6dd9e8925bb93721cc2784b2df95c724b86814b12a5fd0995e493f1434465296604263536ca3d28, arg=144eb134db3d24c675688719e18a9c837e8de80e537a170f4b155ce0c9337ac88fd546a7bd8eb0ac3897bb44d882785e5b5297e8c36e2600c1f51dd36accfec5
TLPDB::_install_package: downloading did not succeed
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]
or
  install-tl-advanced.bat --profile installation.profile [EXTRA-ARGS]
C:\Users\blabla\Downloads\install-tl-20180201\install-tl: Writing log in current directory: C:/Users/blabla/Downloads/install-tl-20180201/install-tl.log
Press any key to continue . 

wie fixed man das? die option -no-verify-downloads wird zum glück dezent ignoriert

ich habe keinen anderen mirror getestet, aber ich hab das problem gelöst indem ich - aus trotz - 8x hintereinander das gleiche gemacht habe...