Are you able to go through this process manually (without using TestComplete) and not see any errors?
yes,i can uninstall manually
exact same function works on windows 7 machine
The problem is probably related to the increased user security in Windows 10. While you may be running TC as an administrator, there is still interaction necessary in Windows 10 to get that to work unless you change the User Account Control Settings to not require interaction when software installation occurs. Try changing those settings to a lower level and see if that corrects the problem .
