I have been trying to load Viber on to my desktop, running windows XP pro. installation aborted near end with the usual error message to send to microsoft ...0xc000001d... My machine has no issues as far as i know as i run Microsoft security essentials and Malware bytes with no reports.Don't want to spend money on another expensive fix that does'nt work .. Any help very much appreciated.),,,

The 0xc000001d error may be caused by windows system files damage.
There are two (2) ways to fix 0xc000001d Error:
Advanced Computer User Solution (manual update):
1) Start your computer and log on as an administrator.
2) Click the Start button then select All Programs, Accessories, System Tools, and then click System Restore.
3) In the new window, select "Restore my computer to an earlier time" option and then click Next.
4) Select the most recent system restore point from the "On this list, click a restore point" list, and then click Next.
5) Click Next on the confirmation window.
6) Restarts the computer when the restoration is finished.
Novice Computer User Solution (completely automated):
1) Download (0xc000001d) repair utility.
2) Install program and click Scan button.
3) Click the Fix Errors button when scan is completed.
4) Restart your computer.
This tool will scan and diagnose, then repairs, your PC with patent pending technology that fix your windows operating system registry structure.
basic features: (repairs system freezing and rebooting issues , start-up customization , browser helper object management , program removal management , live updates , windows structure repair.)