Couldn't download http texture

Minecraft randomly froze today. I force killed it with Task Manager - here's what I see:

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[?:1.8.0_25]
at java.net.Socket.connect(Socket.java:589) ~[?:1.8.0_25]
at java.net.Socket.connect(Socket.java:538) ~[?:1.8.0_25]
at sun.net.NetworkClient.doConnect(NetworkClient.java:180) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.openServer(HttpClient.java:432) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.openServer(HttpClient.java:527) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.<init>(HttpClient.java:211) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.New(HttpClient.java:308) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.New(HttpClient.java:326) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1167) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1146) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:997) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:931) ~[?:1.8.0_25]
at bma$1.run(ThreadDownloadImageData.java:129) [bma$1.class:?]
[16:23:09] Texture Downloader #523/ERROR: Couldn't download http texture
java.net.ConnectException: Connection timed out: connect
at java.net.TwoStacksPlainSocketImpl.socketConnect(Native Method) ~[?:1.8.0_25]
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345) ~[?:1.8.0_25]
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[?:1.8.0_25]
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[?:1.8.0_25]
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[?:1.8.0_25]
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[?:1.8.0_25]
at java.net.Socket.connect(Socket.java:589) ~[?:1.8.0_25]
at java.net.Socket.connect(Socket.java:538) ~[?:1.8.0_25]
at sun.net.NetworkClient.doConnect(NetworkClient.java:180) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.openServer(HttpClient.java:432) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.openServer(HttpClient.java:527) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.<init>(HttpClient.java:211) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.New(HttpClient.java:308) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.New(HttpClient.java:326) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1167) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1146) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:997) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:931) ~[?:1.8.0_25]
at bma$1.run(ThreadDownloadImageData.java:129) [bma$1.class:?]
[16:23:09] Texture Downloader #518/ERROR: Couldn't download http texture
java.net.ConnectException: Connection timed out: connect
at java.net.TwoStacksPlainSocketImpl.socketConnect(Native Method) ~[?:1.8.0_25]
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345) ~[?:1.8.0_25]
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[?:1.8.0_25]
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[?:1.8.0_25]
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[?:1.8.0_25]
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[?:1.8.0_25]
at java.net.Socket.connect(Socket.java:589) ~[?:1.8.0_25]
at java.net.Socket.connect(Socket.java:538) ~[?:1.8.0_25]
at sun.net.NetworkClient.doConnect(NetworkClient.java:180) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.openServer(HttpClient.java:432) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.openServer(HttpClient.java:527) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.<init>(HttpClient.java:211) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.New(HttpClient.java:308) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.New(HttpClient.java:326) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1167) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1146) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:997) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:931) ~[?:1.8.0_25]
at bma$1.run(ThreadDownloadImageData.java:129) [bma$1.class:?]
[16:23:09] Texture Downloader #543/ERROR: Couldn't download http texture
java.net.ConnectException: Connection timed out: connect
at java.net.TwoStacksPlainSocketImpl.socketConnect(Native Method) ~[?:1.8.0_25]
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345) ~[?:1.8.0_25]
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[?:1.8.0_25]
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[?:1.8.0_25]
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[?:1.8.0_25]
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[?:1.8.0_25]
at java.net.Socket.connect(Socket.java:589) ~[?:1.8.0_25]
at java.net.Socket.connect(Socket.java:538) ~[?:1.8.0_25]
at sun.net.NetworkClient.doConnect(NetworkClient.java:180) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.openServer(HttpClient.java:432) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.openServer(HttpClient.java:527) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.<init>(HttpClient.java:211) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.New(HttpClient.java:308) ~[?:1.8.0_25]
at sun.net.www.http.HttpClient.New(HttpClient.java:326) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1167) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1146) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:997) ~[?:1.8.0_25]
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:931) ~[?:1.8.0_25]
at bma$1.run(ThreadDownloadImageData.java:129) [bma$1.class:?]

etc...