Are you referring to Creative Cloud applications ?
Yes, Photoshop CC and Lighroom
You can install and activate Creative Cloud subscription applications on 2 computers,
If you are not using old computer on which you had activated CC apps .
Follow below link and Sign out from Creative cloud app on your old computer , it will deactivate subscription from that computer .,
No need to uninstall apps , simply Sign out from Creative Cloud :
I am not sure about the main question.
Are you being charged twice ??
Or are you facing any issue while activating CC apps on new computer ?
I'm being charged 2 times because they knew I had to leave the old computer , they told me that he did not
In this case , you need to contact Adobe Customer Support , they will certainly check and assist you accordingly :
Click on Still Need help button and select Chat option.
You may need to wait if the chat does not get connected soon.