LoadError, Impossible to use depend packages .

Impossible to use depend packages .
Some wrong is in this point:
`C:\Users\PC.julia\v0.6`
because I have path `C:\Users\PC\.julia\v0.6` not **C:\Users\PC.julia\v0.6**

`Version 0.6.2 (2017-12-13 18:08 UTC)
Official http://julialang.org/ release
x86_64-w64-mingw32

julia> Pkg.build("Blosc")
INFO: Building Blosc
Info: Downloading https://github.com/stevengj/BloscBuilder/releases/download/v1.
14.2+5/Blosc.x86_64-w64-mingw32.tar.gz to C:\Users\PC\.julia\v0.6\Blosc\deps\usr
\downloads\Blosc.x86_64-w64-mingw32.tar.gz...
Exception setting "SecurityProtocol": "Cannot convert null to type "System.Net.
SecurityProtocolType" due to invalid enumeration values. Specify one of the fol
lowing enumeration values and try again. The possible enumeration values are "S
sl3, Tls"."
At line:1 char:35
+ [System.Net.ServicePointManager]:: <<<< SecurityProtocol =
+ CategoryInfo : InvalidOperation: (:) [], RuntimeException
+ FullyQualifiedErrorId : PropertyAssignmentException

Exception calling "DownloadFile" with "2" argument(s): "Po?Yczenie podstawowe z
osta?o zako?one: WystYpi? nieoczekiwany b?Yd przy wysy?aniu."
At line:4 char:24
+ $webclient.DownloadFile <<<< ("https://github.com/stevengj/BloscBuilder/relea
ses/download/v1.14.2+5/Blosc.x86_64-w64-mingw32.tar.gz", "C:\Users\PC\.julia\v0
.6\Blosc\deps\usr\downloads\Blosc.x86_64-w64-mingw32.tar.gz")
+ CategoryInfo : NotSpecified: (:) [], MethodInvocationException
+ FullyQualifiedErrorId : DotNetMethodException

================================[ ERROR: Blosc ]================================

LoadError: Could not download https://github.com/stevengj/BloscBuilder/releases/
download/v1.14.2+5/Blosc.x86_64-w64-mingw32.tar.gz to C:\Users\PC\.julia\v0.6\Bl
osc\deps\usr\downloads\Blosc.x86_64-w64-mingw32.tar.gz
while loading C:\Users\PC\.julia\v0.6\Blosc\deps\build.jl, in expression startin
g on line 30

================================================================================

================================[ BUILD ERRORS ]================================

WARNING: Blosc had build errors.

- packages with build errors remain installed in C:\Users\PC\.julia\v0.6
- build the package(s) and all dependencies with `Pkg.build("Blosc")`
- build a single package by running its `deps/build.jl` script

================================================================================

julia>`

Paul