Files remain blocked after unblocking them manually - Security Center 5.8 GA

Security Center Installation and Upgrade Guide 5.8 GA

Applies to
Security Center 5.8 GA
Last updated
Content type
Guides > Installation guides
Security Center

Use streams.exe to unblock Security Center installation package files that remain blocked after manual intervention.

What you should know

Only run streams.exe on files that remain blocked after attempting to manually unblock them. If the installation package contains blocked files, the following error message can show during installation: “Setup detected blocked file(s) in the download package. Setup will stop. To restart the installation, unblock the downloaded package.”


  1. Download streams.exe from
  2. Open a command prompt window.
  3. Enter streams.exe -d <filename>, where <filename> is the name of the file that needs to be unblocked.

After you finish

If you unblocked the entire ZIP installation package (not specific files contained in it), you must extract the package again prior to installing Security Center.