Program giving me annoying popup

[jexorz]

So i downloaded a launcher to play an older Dos game, and since getting it, on boot the program would open itself along with an IE popup full of nonsense (looks like some sort of config or coding) Its bothered me so i uninstalled the program and deleted all traces after that, However the IE popup still persists. I ran both Avast and Malware Bytes, Neither flagged anything, I also checked in msconfig for anything that might be causing the issue and that isnt the case either...If anyone knows how i can stop this id would love some assistance.

The program was EZdoom, and the popup tries to take me to the creators dropbox page or something, Tried to include a screenshot of it but im not sure what this site wants me to do in order to do that

 

[Phillip Corcoran]

To include screenshots you first have to upload them to third-party hosting site like Imgur (http://www.imgur.com)

Then include in your post the relevant link to the page where your screenshots are.

 

[jexorz]

Well basically, Its a dropbox window that asks me to install the file every time i boot, I dont know how to get rid of it as ive already deleted the program, and nothing else from it exists anywhere to be found, i even tried searching for dropbox

 

[Tradesman1]

Have you searched the Registry for entries?

 

[Phillip Corcoran]

Or you can see all the Startup entries in one utility with Ccleaner: https://support.google.com/a/users/answer/138740?hl=en&rd=1

Highlight any that refer to 'Dropbox' and zap it.

 

[jexorz]

Viewing the registry with %systemroot%\syswow64\regedit, didnt seem to show anything, Going to try ccleaner and see what happens... Although im not hopeful with a free version of scanning software, they tend not to work well in my experience

 

[Soajex]

So i downloaded CCleaner, did both of its scans, got back some storage space and somehow it logged me into this from google rather than the other account i have and deleted all of my stored login/passwords apparently, However eZdoom still prompts me to download from dropbox when i boot up. x.x

So in short... Target remains x.x