What does C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18 use for ? why is it causing vcredist 2010 and 2008 not to install

[omidelf]

i had a problem with installing vcredist_2010 and vcredist_2008 , i couldn't install them ( i have windows 10 64bit) , but i found a solution that i should :

In short: Rename the folder C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18 to C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18_old

During successful installation of KB3045318 this folder is created again, automatically.
At the end, I copied the missing files from the original folder to the new folder.



but my question is , WHY ? why doing this is fixing the problem ? is it really a fix ? or just a bypass ? and am i going to have problem because of this ? like is it really installed or its installed but not completely ?

 

[johnbl]

I don't know much about cryptology but I figure it is not a good idea to defeate the cryptology settings for public key encryption to put a old .dll on my system.

 

[omidelf]

I don't know much about cryptology but I figure it is not a good idea to defeate the cryptology settings for public key encryption to put a old .dll on my system.

are you saying its going to cause some problem ? also why

 

[johnbl]

The RSA keys provide a method of cryptotography that is used for encryption and decryption of data between your machine and web services like online shopping and online banking. I would compare the old registry key with the new registry key that was created. Maybe they are the same and you just had a setup bug. But, I do think the length of the keys were changed over the year to use longer keys because the shorter key length could be decrypted in real time because of the fast CPUs we have now. You may find problems with web services that need to be secure.

I don't know much about cryptology but I figure it is not a good idea to defeate the cryptology settings for public key encryption to put a old .dll on my system.

are you saying its going to cause some problem ? also why