Rstudio not working

“ the RStudio server is taking long time to respond. It I should possible that your R session has become unresponsive .so you want to terminate.”
This is the message I get ever time I am trying to run rstudio. I am using windows 8.
Tried reinstalling many timeshots, the newest versions. Tried deleteing rstudio desktop from appdata folder.
Nothing works.
Please help.