Why is almost everything I download corrupted?

Before I used to use IDM with Firefox. Never had a problem EVER.
I’ve been using Chrome since its better. Therefor no longer being able to use IDM. Now I use jDownloader.
I have no idea what is going on. But lately, almost everything I download is corrupted. I just want to know why.
For example, a movie. Comes in 5+ parts as I download 720p/1080p. At least 1 file will extract as corrupted so I have to re-download that 1 .rar file again.
Is this common when using jDownloader? I never get an issue downloading with Chrome browser (crappy download management).
I’m downloading this movie:
http://www.wrzko.eu/16-blocks-2006-1080p-internal-bluray-x264-moovee/
10GB. I’ve downloaded 2 parts already. I start extraction, BOTH files are corrupt. Even if I wait until all files are downloaded to extract which is what I normally do, it will be the same. I’d have to download these 2 parts again.
I’m sitting here looking at the download of 1 file, it takes 8 minutes. I don’t see what is going on… seriously… what is going on? I’ve downloaded the file fully… why is it corrupt?
This is beyond pissing me off.
Any ideas?
Answer #1
Just use IDM the best available and use the updated version as it will fix any bugs left in it and idm works fine with chrome been using it from a long time without any issue cheers
Answer #2
i had a older system and ended up with too many corrupt downloads. Got a new system, problem went away. Really didnt do anything different.
The other time I was getting too many corrupt downloads, I finally figured it out…..bad RAM….new RAM, no more problems.
it would be 1,000 reasons. to many things could corrupt a file from where it sits on a server to your hard drive.
alot of 1-update your system, and 2-trial and error
Answer #3
It would certainly be worthwhile to test your memory..
http://www.sevenforums.com/tutorials/715-memory-diagnostics-tool.html
If you get errors, try using one stick at a time to determine a faulty stick or slot..
You should also run error checking (chkdsk) on your hard drive
http://windows.microsoft.com/en-AU/windows-vista/Check-your-hard-disk-for-errors
and get “hard disk senti” and check the drive’s health .
http://www.google.com?t=14769892&highlight=