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A few weeks ago I formatted my laptop where among other things QGIS 3.4 was installed.

In the last 48 hours I was busy trying to reinstall it, but until now without succeess. I have a Thinkpad with Windows 10 PRO. I installed versions 3.4 and 3.2 several times: everything goes well but I do not get the launch icon and in "ProgramFiles" the postinstall.bat icon gives the message:

Windows cannot access the specified device, path, or file. You may not have the appropriate permission to access the item.

With a Windows technician I have checked all the admin settings in my PC. We also have created an administrative account. Same issue.

Edit: I have installed using OSGEO4W. It was installed not only QGIS 3.10 but also a lot of software which I would like to get rid of. When I open QGIS I ge this message: ' An error has occurred while executing Python code:

*PermissionError: [WinError 5] Access is denied Traceback (most recent call last): File "C:/OSGEO4~1/apps/qgis/./python/plugins\processing\algs\saga\SagaAlgorithmProvider.py", line 86, in loadAlgorithms version = SagaUtils.getInstalledVersion(True) File "C:/OSGEO4~1/apps/qgis/./python/plugins\processing\algs\saga\SagaUtils.py", line 141, in getInstalledVersion universal_newlines=True, File "C:\OSGEO4~1\apps\Python37\lib\subprocess.py", line 756, in init restore_signals, start_new_session) File "C:\OSGEO4~1\apps\Python37\lib\subprocess.py", line 1155, in _execute_child startupinfo) PermissionError: [WinError 5] Access is denied

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    You do not have permissions to the file or the file location., check this support.microsoft.com/en-us/help/2669244/…
    – Fran Raga
    Jan 14, 2020 at 8:19
  • This was checked by the Windows Technician, seems to be in the right place.
    – high_point
    Jan 14, 2020 at 8:24
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    Did you use an administrator type account when you installed QGIS?
    – GreyHippo
    Jan 14, 2020 at 20:53
  • Yes my account is administrator.
    – high_point
    Jan 25, 2020 at 10:45

1 Answer 1

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  • Check your antivirus. In my knowledge, Kaspersky has already classified QGIS as a Trojan in the past on our network when using the Osgeo4W installer.
  • Try the .exe rather than the Osgeo4W installer if it's the case.
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  • I do not have antivirus, Windows 10 has some functionality builted in. I have installed until now the -Standalone installers from OSGeo4W packages-
    – high_point
    Jan 14, 2020 at 9:59
  • I have installed using OSGEO4W.
    – high_point
    Jan 14, 2020 at 13:42
  • Have a try with the standalone installer and see if it goes through
    – gisnside
    Jan 15, 2020 at 9:02

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