A VPN will not affect anything really, and will only make your ping higher. Check what programs you are running, and have a look at the bottom of my signature for Xingcode help, and use the method below. It should work for you.
Xigncode3 fix for Injecting into AVA.
https://www.mpgh.net/forum/showthread.php?t=646849
Then do this to check to see if it's gone, if not, delete the file.
Go to "RUN" and type in "regedit" and then OPEN: "HKEY_LOCAL_Machine > SYSTEM > ControlSet001 > SERVICES > xHunter1" then "Right Click" & DELETE "xhunter1" folder
Then download Ccleaner:
https://www.piriform.com/ccleaner/download
Use Ccleaner and clean your PC, and then clean your Registry, and FINALLY reboot your PC.