forge 1.8.9 crashing....

[hungry_hodor]

i can't open forge because this error message pops up:

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LEVELS

debug (3,901)

info (75)

warn (28)

error (1)

fatal (1)

ACTIONSClear all logs

04:55:06.853

Preparing to launch minecraft client for 1.8.9-forge1.8.9-11.15.1.1872

04:55:07.275

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/net/minecraftforge/forge/1.8.9-11.15.1.1872/forge-1.8.9-11.15.1.1872.jar

04:55:07.286

Have local file C:\Users\Hugo Allum\AppData\Roaming\.minecraft\libraries\net\minecraftforge\forge\1.8.9-11.15.1.1872\forge-1.8.9-11.15.1.1872.jar but don't know what size or hash it should be. Have to assume it's good.

04:55:07.433

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/jline/jline/2.13/jline-2.13.jar

04:55:07.438

Have local file C:\Users\Hugo Allum\AppData\Roaming\.minecraft\libraries\jline\jline\2.13\jline-2.13.jar but don't know what size or hash it should be. Have to assume it's good.

04:55:07.572

Couldn't fetch SHA1 checksum for https://s3.amazonaws.com/Minecraft.Download/versions/1.8.9/1.8.9.jar

04:55:07.579

Have local file C:\Users\Hugo Allum\AppData\Roaming\.minecraft\versions\1.8.9\1.8.9.jar but don't know what size or hash it should be. Have to assume it's good.

04:55:07.580

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar

04:55:07.586

Have local file C:\Users\Hugo Allum\AppData\Roaming\.minecraft\libraries\com\typesafe\akka\akka-actor_2.11\2.3.3\akka-actor_2.11-2.3.3.jar but don't know what size or hash it should be. Have to assume it's good.

04:55:07.728

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/com/typesafe/config/1.2.1/config-1.2.1.jar

04:55:07.734

Have local file C:\Users\Hugo Allum\AppData\Roaming\.minecraft\libraries\com\typesafe\config\1.2.1\config-1.2.1.jar but don't know what size or hash it should be. Have to assume it's good.

04:55:07.735

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar

04:55:07.740

Have local file C:\Users\Hugo Allum\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-actors-migration_2.11\1.1.0\scala-actors-migration_2.11-1.1.0.jar but don't know what size or hash it should be. Have to assume it's good.

any help would be much appreciated, thanks!