Tuesday, July 11, 2017

dot net framework and hotfix installation problem

1- got message:

to run this application, you must fist install one of the following version of the .net  framework:
v 4.0
contact your application publisher for instruction about obtaining the appropriate version of the .net framework.

2- this may cause by wrong version of mscoree.dll, so check the file
c:\windows\system32\mscoree.dll to see whether it is verion 4, if not uninstall  the dot net framework and reinstall it back.


1-  when install dotnet framework and it shown the following message

a certificate could not be built to a trusted root authority dot net framework

it might be caused by your computer is offline or can not contact to windows update server

2- to solve install the the certificate below

when install the certificate  via wizard choose

"Trusted root certification authorities"

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