lsass.exe

Viruses and worms
21

At this stage then I am afraid the only alternative is a re-install. What is the make of your computer ?

22

It’s a Toshiba Netbook.

I guess I will have to reinstall. I was trying to avoid buying the disk from them, because for some reason it’s not provided when you purchase the computer.

Thanks for all your time and help!!

23

Does it not have a recovery partion - What is the model ?

Try this

  1. Copy all your files and documents to an external storage device. Using Reatogo
  2. Shut down the computer.
  3. Turn the PC back on and hit the F8 key repeatedly until the Advanced Boot Option Screen appears.
  4. Click “Repair Your Computer” if you are not already on it and then press ENTER
  5. choose your country and click OK
  6. On the “System Recovery Options Screen” click “Restore Application” which is the last option.
  7. Follow the on-screen instructions
  8. When prompted, click on “Full Factory Recovery”
  9. “Next”
  10. Click “Yes”
  11. you will notice for a while it seems like nothing is happening, give it some time.
  12. After some minutes, recovery will complete and you click “Finish”

Or this

  1. Press and hold the 0 (zero) key and at the same time, tap the power button once to switch on your notebook.
  2. When the machine Starts beeping; release the 0 key.
  3. When prompted by the warning screen; select Yes to continue with the system recovery.
  4. Select Recovery of Factory Default Software; click Next.
  5. Select Recover to out-of-box state. Click Next again.
  6. Click Next to Start recovery.
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How to recover a Toshiba notebook with the HDD recovery procedure
http://aps2.toshiba-tro.de/kb0/HTD9102IR0000R01.htm

How to use the Toshiba HDD Recovery Utility
http://aps2.toshiba-tro.de/kb0/HTD7C02140000R01.htm