noise problem in voltage booster circuit

I do not have EWB in my computer. Please email me a screen capture

(print screen key to put image in copy buffer, then paste into image program, like paint or Irfanview, save as gif)

of the schematic, so I can help debug.

It is

(snip)

If you email me so I have your address, I'll send a schematic that works in LTspice. Have you got that loaded in your computer? It is far superior to EWB.

Thanks all, esp John Popelish for favours

I will be appreciated with your comments and suggestions for add an AC level (~1V 3KHz) on the DC level (30 to 100 V) of the proposed circuit

AC wave is Sinus one

This will require optimizing the frequency response of the whole loop. The best response would probably require cascoding the output transistor to minimize the effect of feedback capacitance collector to base on the inverting transistor. I'll go back to the simulator and play a bit.