When downloading IE stop solution to 99% does not move, the problem can not be completed

When using IE download, download to 99%, stops moving, can not be completed, as shown below:

solution Method:

First, the target space is insufficient, please clean up the disk partition or choose another partition to download;

Second, too many disk fragments, the target disk is defragmented and re-downloaded;
method: programs → accessories → system tools → disk Defragmenter, as:

Third, the third-party software (such as real-time monitoring anti-virus software, firewalls, 3721 Internet Assistant and other software or plug-ins) Blocked, continue to download after closing or uninstalling this type of software or plugin.

For problems caused by software, if you can't figure out which program is causing conflicts, you can try to close all applications, open the task manager, kill unused non-system processes, and then try online. the download:

four, IE temporary folder emptied and the Cookies, download it again, see below;

Fifth, the system is XP SP2, possibly with SP2 Related to enhanced security settings.
Solution: Internet Options → Security → Custom Level → "Download" column in all the options select "Enable", as shown:

then switch to On the "Advanced" tab, in the "Security" column, uncheck the "Sign the check for downloaded programs" check box, select the "Allow running or installing software, even if the signature is invalid" check box, as shown: