Answer: There are numerous reasons why you may experience "Corrupted Zip File" errors after downloading any file online.

Our products are always tested for download integrity before the download page is made live for any given month's products.

The Short Answer:

If you have just downloaded a file from one of our servers, then tried to un-zip it, the solution may be as simple as waiting a few minutes or if you have other things to do you could wait for an hour. Normally your 2nd try will be successful and the entire file will hopefully download and un-zip just the way it is supposed to and no corruption errors.

The LONG Answer:

4 Possible Reasons for Corrupted Zip Files:

None of these reasons have anything to do with the original integrity of the files on our servers. They have all been tested and proven to be complete and not corrupted.

(1) Internet Connections Issues

Yu may have lost your Internet connection during the download, or your system may have "Timed Out", and the file download was not completed. This may be especially true of the Audio files as they can be just at or just over 100 Mega-Byte files.

(2) Digital Packet Data Loss

The connection path between your Internet Provider and our download server may have been experiencing what is called, "Excessive Digital Packet Data Loss". This can happen as a result of virtually any backbone provider on the Internet being overburdened with traffic at any given time. This condition can cause what is known as transmission latency.

Packet Data Loss is just what it sounds like. File Data Packets within a file are lost in transmission. Therefore you may not be downloading but bits and pieces of the .zip file. Obviously your compression utility like WinZip or 7-Zip will then consider the file corrupted.

You can check on the percent of Packet Data Loss here:

http://www.internetpulse.net (Hyper-Link Below.)

If you see Warning signs on even one of the major U.S. Internet backbones, you may need to wait an hour or so, then try your download again.

3) Slower Internet connections, ( Dial Up or Basic DSL), can also experience difficulties with latency that will cause incomplete or corrupted file downloads. You can test your download and upload speed here:

http://www.speakeasy.net/speedtest/ (Hyper-Link Below.)

If your download speed is under 768Kpbs, and you think you have a "hi-speed" connection, you may want to call your Internet provider.

4) Wireless Direct or Network Bandwidth Issues

If you are on a wireless network, your connection speed is no faster than your network, regardless of your Internet Connection Provider's available bandwidth.

Here's the bottom line; We do test the integrity of our download files to be sure they are functional and download completely prior to making the download page/links live.

If you have checked your connection, checked your download speed, tried to download again to see if you can get the complete file, (Just because your system says download complete, that does not mean you got the entire file), and you still have a .zip file corruption error, please DO then submit a support ticket and we will assist you in getting you the products you paid for.

It would be a perfect online world if we had a prefect Internet, but we're just not quite there yet :o(

We hope this helps,

Staff and Management
Entrepreneurs On Call

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Also See:

Packet Data Loss - Internet Back Bone Status

Connection and Speed Test