The final 1% always takes longer than the entire 99% before it.,(reply>), On some downloads/devices, this is because your antivirus software hooks into the file close and does a complete file scan (which might include multiple levels of decompression of files therein) before it releases control back to the application thread. (Also this prevents the user from opening the file themselves until the virus scan is complete, thereby preventing potentially malicious damage).,(reply>), Jup because the last percent is usually verfying that the other 99% worked as   properly, so it takes a while