ERROR - I can't use the activity "use application/browser"

It worked fine in the beginning and then all of a sudden this error popped up:

and i tried on different application but it was the same on everything.

@john_johnsen

Looks like some files are corrupted…did you try restarting the studio again?

And can you try stopping th services and start again…

Please navigate to C:\Users\<Username>\.nuget\packages

And delete the system packages and ui automation packages folder and reopen the project and check

Cheers

I did restart it and its the same error.

Im not very familiar with this .nuget/packages thing. there is a ton of files, what do i delete exactly?

@john_johnsen

UiPath.system.activities and UiPath.uiautomation.activities

Cheers

Didnt work :frowning:

@john_johnsen

Update the UiPath studio version & try it will work

Thanks
Varun

As i understand the latest update was last year October, and i installed UiPath 2 days ago, so it should be up to date right?

@john_johnsen

You are on the latest version…try reinstalling a fresh copy again…

While doing that make sure to delete all old files

Cheers

@john_johnsen

Uninstall the current version of UiPath studio & install it again, It will work

Thanks
Varun

I tried to reinstall it didnt work. Im not sure if i deleted all the files though. I deleted my saved files and the packages in the .nugget file and thats it. Was there anything else that i needed to delete ?

@john_johnsen

Generaly in program files and program data as well you will have folders related to UiPath

Cheers

Still didnt work, and i discovered that there is another error aswell. When i try to run the file it says this:

I might try another computer.

@john_johnsen

Can you confirm you system configuration

OS ,64 or 32 bit?

This isn’t looking usual

Cheers

I finally figured it out. My firewall all of a sudden startet to block acces to my UiPath files. It didnt do this in the start it just happened by it self. I gave my firewall acces and now it works.

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