Thank you for posting in the Microsoft Community forum.
Based on the above description, it appears that you’re unable to install Team Viewer.
To help you suggest steps to resolve the issue, I would appreciate if you could answer the following questions:
1. How are you trying to install?
2. Are you able to install other programs?
I would suggest you to set your computer in Clean Boot state and check if the same issue occurs.
By setting your system in clean boot state helps in identifying if any third party applications or startup items are causing the issue.
How to troubleshoot a problem by performing a clean boot
in Windows XP:
Note: After clean boot troubleshooting step, follow the “Steps to configure Windows to use a Normal startup state” in the provided link to return your computer to
Normal startup mode.
For any Windows related issues please feel free to contact us or let us know and we will be glad to help.
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