I used AVG PC Tune-up on my windows 7 operating system. This will be help to fixes registry problems that source freezing and crashing, get better disk speed, and optimize system Internet connection. Now there is a problem arrives on it. This will be shows the error and in that we can’t able to do the undo changes. I used "Optimize Service" option on AVG PC Tune-up software. Is there anyone have experience about it. Then please suggest your own thoughts.
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