VS 2017 - Very slow (laggy) when debugging

Question

When I debug my solution, vs 2017 is very laggy and slow it\'s like it has to operate something heavy in the background.

So it stops \"responding\" every 5 seconds for 2

Answer 1

Hiding the Threads window did the trick for me.

Answer 2

In my case I had a break point with a condition that was never met. I had forgotten about about this break point altogether. Sometimes adding a simple condition to a break point can slow down the debugging speed a lot.

Just adding this in case it might help someone.

Answer 3

Only one thing that helped me was disabling Debugger option of Resharper. If you use Resharper, try to UNCHECK "Show local variables values in editor" in menu: Resharper -> Options -> Tools -> Debugger.

It helped for me.

Answer 4

Sometimes it is because of a Realtime scan in Antivirus.

"Add exceptions" Visual Studio files/folders for your Antivirus

C: \ Program Files (x86) \ Microsoft Visual Studio \ 2017 \ Professional \ Common7 \ IDE \ devenv.exe

C: \ Program Files (x86) \ Microsoft Visual Studio \ 201

Answer 5

If disable Diagnostic Tools don't fix the problem try to disable IntelliTrace, Unchecking Enable IntelliTrace, in Tools -> Options -> IntelliTrace. Work for me.

Answer 6

What worked for me was removing all the following folders in the solution's directory:

• .vs
• x64
• Debug
• Release