Generally, the internet speed is too slow and overtime. It is recommended to download with the download tool. Don't worry about disconnecting the internet before 99%. Thunder 5 is a good download tool!

Five possibilities and solutions for downloading to 99% stop:

First, the target space is insufficient. Please clean up the disk partition or select another partition to download.

Second, there are too many disk fragments, so the target disk fragments should be sorted once before downloading.

Solution: From Programs to Accessories to System Tools to Disk Defragmenter.

Third, third-party software (such as real-time monitoring antivirus software, firewall, 372 1 internet assistant and other software or plug-ins) is blocked, and such software or plug-ins continue to download after being closed or uninstalled. For the problems caused by software, if you don't know which program caused the conflict, you can try to close all application software, open the task manager, kill unused non-system processes, and then try to download online.

Fourth, after emptying IE temporary folder and Cookies, download again.

5. The system is XP SP2, which may be related to the enhanced security settings of SP2.

From Internet Options → Security → Custom Level → Select "Enable" from all options in the "Download" column. Then switch to the Advanced tab, uncheck the "Check the signature of the downloaded program" check box in the "Security" column, and select the "Allow the software to run or install even if the signature is invalid" check box.