why I can't download adobe reader on my windows vista computer. Error message is invalid key

I can't download Adobe reader. The installation starts, but then I get the message that the key is not valid. I don't know what to say or how to fix. How can I get a key of vaid.

This is a problem caused by Microsoft or one of their recent updates.  Here is the solution

  1. the address of the Windows Explorer bar type %appdata%\protector.exe
  2. on the right side double click on the Microsoft folder
  3. now, look for a folder named Crypto; delete or rename to something like Crypto-old

If you need more detailed help, tell us your version of Windows.

Tags: Acrobat

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