Fiddler will not install SoftwareRestrictionPolicies

2 posts, 0 answers
  1. Cypher
    Cypher avatar
    1 posts
    Member since:
    Apr 2017

    Posted 12 Apr 2017 Link to this post

    When I try to run fiddler setup nothing happens.  A trip over to the event viewer under Application I get warning Event 866 from SoftwareRestrictionPolicies :

    Access to C:\Users\username\AppData\Local\Temp\Fiddler4Setup.exe has been restricted by your Administrator by location with policy rule {542edcef-766b-4b80-94e2-42e180f6675d} placed on path C:\Users\username\AppData\Local\*\*.exe.

     

    It appears as if this program installer is trying to use the AppData\Local\Temp folder to run executables out of.  This is a big no no and poor programming design.  It is not good practice to install this way as its the cheap and easy way out.  This location is a prime target for malware and ransomware to deposit their payloads and execute.  Therefore we have SRP in place to block the execution of files from this location.  It has saved our arses one time before as it successfully prevented malware from running.

    Can any devs try to redesign the installer to utilize a more modern and Microsoft sanctioned way to do an install?  We have many programs that install without issue because they do not take the cheap and easy way out.

  2. Tsviatko Yovtchev
    Admin
    Tsviatko Yovtchev avatar
    549 posts

    Posted 20 Apr 2017 Link to this post

    Hello,

    Currently Fiddler installer is a zip file that contains the installers for the various .NET versions. A cheap and easy workaround for you would be to unzip the installer yourself and then start Fiddler4Setup.exe.

    What modern way to store temporary files during installation do you have in mind?

    Regards,
    Tsviatko Yovtchev
    Telerik by Progress
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