Adobe Reader Error 15.524
This error shows when opening a PDF file from within Internet Explorer 11. Typically may happen when updating from version 10 Adobe Acrobat/Reader to version 11 due to path not updating as explained below. Error Message – The Adobe Acrobat/Reader selected for viewing PDF documents in browsers cannot be found at its installed location; it may have been moved or deleted. Please reinstall or repair the application. (15.524) Solution Check the following registry key:- reg query HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SOFTWARE\Adobe\Acrobat\Exe The value of this key needs to match the location of the AcroRd32.exe file (Navigate and Edit Key in Regedit). So in this case navigate to see if the above location exists, in the below case it doesn’t so update the value in the registry to the correct location in this case it is "C:\Program Files (x86)\Adobe\Reader 11.0\Reader\AcroRd32.exe" (Make sure you include the quotes)