MInecraft Assets Failed to Download

[ProZayZo]

My friend has a problem with his technic launcher whenever he tries to download any mod pack it always fails giving the error message "Failed To Dowmload Minecraft Assets" and links to this website : http://resources.download.minecraft.net/55/55da1856e77cfd31a7e8c3d358e1f856c5583198 

Please Help

Here is The Log:

[09/7/2016 19:40:32 PM] Failed to download http://resources.download.minecraft.net/55/55da1856e77cfd31a7e8c3d358e1f856c5583198 due to IOException!
[09/7/2016 19:40:32 PM] **USERSDIR**\Configs\Resources\objects\55\55da1856e77cfd31a7e8c3d358e1f856c5583198 (The system cannot find the file specified)
[09/7/2016 19:40:32 PM] java.io.FileOutputStream.open0(Native Method)
[09/7/2016 19:40:32 PM] java.io.FileOutputStream.open(Unknown Source)
[09/7/2016 19:40:32 PM] java.io.FileOutputStream.<init>(Unknown Source)
[09/7/2016 19:40:32 PM] java.io.FileOutputStream.<init>(Unknown Source)
[09/7/2016 19:40:32 PM] com.atlauncher.data.Downloadable.downloadFile(Downloadable.java:269)
[09/7/2016 19:40:32 PM] com.atlauncher.data.Downloadable.download(Downloadable.java:402)
[09/7/2016 19:40:32 PM] com.atlauncher.data.Downloadable.download(Downloadable.java:340)
[09/7/2016 19:40:32 PM] com.atlauncher.workers.InstanceInstaller$1.run(InstanceInstaller.java:516)
[09/7/2016 19:40:32 PM] java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[09/7/2016 19:40:32 PM] java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[09/7/2016 19:40:32 PM] java.lang.Thread.run(Unknown Source)
[09/7/2016 19:40:32 PM] Failed to download http://resources.download.minecraft.net/55/55da1856e77cfd31a7e8c3d358e1f856c5583198 due to IOException!
[09/7/2016 19:40:32 PM] **USERSDIR**\Configs\Resources\objects\55\55da1856e77cfd31a7e8c3d358e1f856c5583198 (The system cannot find the file specified)
[09/7/2016 19:40:32 PM] java.io.FileOutputStream.open0(Native Method)
[09/7/2016 19:40:32 PM] java.io.FileOutputStream.open(Unknown Source)
[09/7/2016 19:40:32 PM] java.io.FileOutputStream.<init>(Unknown Source)
[09/7/2016 19:40:32 PM] java.io.FileOutputStream.<init>(Unknown Source)
[09/7/2016 19:40:32 PM] com.atlauncher.data.Downloadable.downloadFile(Downloadable.java:269)
[09/7/2016 19:40:32 PM] com.atlauncher.data.Downloadable.download(Downloadable.java:402)
[09/7/2016 19:40:32 PM] com.atlauncher.data.Downloadable.download(Downloadable.java:340)
[09/7/2016 19:40:32 PM] com.atlauncher.workers.InstanceInstaller$1.run(InstanceInstaller.java:516)
[09/7/2016 19:40:33 PM] java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[09/7/2016 19:40:33 PM] java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[09/7/2016 19:40:33 PM] java.lang.Thread.run(Unknown Source)
[09/7/2016 19:40:33 PM] Failed to download http://resources.download.minecraft.net/55/55da1856e77cfd31a7e8c3d358e1f856c5583198 due to IOException!
[09/7/2016 19:40:33 PM] **USERSDIR**\Configs\Resources\objects\55\55da1856e77cfd31a7e8c3d358e1f856c5583198 (The system cannot find the file specified)
[09/7/2016 19:40:33 PM] java.io.FileOutputStream.open0(Native Method)
[09/7/2016 19:40:33 PM] java.io.FileOutputStream.open(Unknown Source)
[09/7/2016 19:40:33 PM] java.io.FileOutputStream.<init>(Unknown Source)
[09/7/2016 19:40:33 PM] java.io.FileOutputStream.<init>(Unknown Source)
[09/7/2016 19:40:33 PM] com.atlauncher.data.Downloadable.downloadFile(Downloadable.java:269)
[09/7/2016 19:40:33 PM] com.atlauncher.data.Downloadable.download(Downloadable.java:402)
[09/7/2016 19:40:33 PM] com.atlauncher.data.Downloadable.download(Downloadable.java:340)
[09/7/2016 19:40:33 PM] com.atlauncher.workers.InstanceInstaller$1.run(InstanceInstaller.java:516)
[09/7/2016 19:40:33 PM] java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[09/7/2016 19:40:33 PM] java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[09/7/2016 19:40:33 PM] java.lang.Thread.run(Unknown Source)
[09/7/2016 19:40:33 PM] Failed to download http://resources.download.minecraft.net/55/55da1856e77cfd31a7e8c3d358e1f856c5583198 due to IOException!
[09/7/2016 19:40:33 PM] **USERSDIR**\Configs\Resources\objects\55\55da1856e77cfd31a7e8c3d358e1f856c5583198 (The system cannot find the file specified)
[09/7/2016 19:40:33 PM] java.io.FileOutputStream.open0(Native Method)
[09/7/2016 19:40:33 PM] java.io.FileOutputStream.open(Unknown Source)
[09/7/2016 19:40:33 PM] java.io.FileOutputStream.<init>(Unknown Source)
[09/7/2016 19:40:33 PM] java.io.FileOutputStream.<init>(Unknown Source)
[09/7/2016 19:40:33 PM] com.atlauncher.data.Downloadable.downloadFile(Downloadable.java:269)
[09/7/2016 19:40:33 PM] com.atlauncher.data.Downloadable.download(Downloadable.java:402)
[09/7/2016 19:40:33 PM] com.atlauncher.data.Downloadable.download(Downloadable.java:340)
[09/7/2016 19:40:33 PM] com.atlauncher.workers.InstanceInstaller$1.run(InstanceInstaller.java:516)
[09/7/2016 19:40:33 PM] java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[09/7/2016 19:40:33 PM] java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[09/7/2016 19:40:33 PM] java.lang.Thread.run(Unknown Source)
[09/7/2016 19:40:33 PM] File USERSDIR**\Configs\Resources\objects\55\55da1856e77cfd31a7e8c3d358e1f856c5583198 cannot be copied to USERSDIR**\FailedDownloads as it isn't a file
[09/7/2016 19:40:33 PM] File USERSDIR**\Configs\Resources\objects\55\55da1856e77cfd31a7e8c3d358e1f856c5583198 cannot be copied to USERSDIR**\FailedDownloads as it doesn't exist
[09/7/2016 19:40:33 PM] Error downloading 55da1856e77cfd31a7e8c3d358e1f856c5583198 from http://resources.download.minecraft.net/55/55da1856e77cfd31a7e8c3d358e1f856c5583198. Expected hash of 55da1856e77cfd31a7e8c3d358e1f856c5583198 but got 0 instead. Copied to FailedDownloads Folder. Cancelling install!