problem with installing silk

[panizprs]

Hi
I want to install silk. first install sbt using MSI file. but when I run sbt "project workbench" run
I got this error...

Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256m; sup
port was removed in 8.0
Getting org.scala-sbt sbt 0.13.12 ...

:: problems summary ::
:::: WARNINGS
module not found: org.scala-sbt#sbt;0.13.12

    ==== local: tried

      C:\Users\paniz\.ivy2\local\org.scala-sbt\sbt\0.13.12\ivys\ivy.xml

      -- artifact org.scala-sbt#sbt;0.13.12!sbt.jar:

      C:\Users\paniz\.ivy2\local\org.scala-sbt\sbt\0.13.12\jars\sbt.jar

    ==== typesafe-ivy-releases: tried

      https://repo.typesafe.com/typesafe/ivy-releases/org.scala-sbt/sbt/0.13

.12/ivys/ivy.xml

    ==== Maven Central: tried

      https://repo1.maven.org/maven2/org/scala-sbt/sbt/0.13.12/sbt-0.13.12.p

om

      -- artifact org.scala-sbt#sbt;0.13.12!sbt.jar:

      https://repo1.maven.org/maven2/org/scala-sbt/sbt/0.13.12/sbt-0.13.12.j

ar

            ::::::::::::::::::::::::::::::::::::::::::::::

            ::          UNRESOLVED DEPENDENCIES         ::

            ::::::::::::::::::::::::::::::::::::::::::::::

            :: org.scala-sbt#sbt;0.13.12: not found

            ::::::::::::::::::::::::::::::::::::::::::::::

:::: ERRORS
Server access Error: Connection timed out: connect url=https://repo.type
safe.com/typesafe/ivy-releases/org.scala-sbt/sbt/0.13.12/ivys/ivy.xml

:: USE VERBOSE OR DEBUG MESSAGE LEVEL FOR MORE DETAILS
unresolved dependency: org.scala-sbt#sbt;0.13.12: not found
Error during sbt execution: Error retrieving required libraries
(see C:\Users\paniz.sbt\boot\update.log for complete log)
Error: Could not retrieve sbt 0.13.12

please help me

[afeliachi]

Hi,
Does your network have proxy?

[panizprs]

no