Windows can not find "RVHOST.exe" please help me...

Using Internet Explorer, go to:

Free Virus Scan - Free Antivirus Software | Norton Security Scan (http://security.symantec.com/sscv6/WelcomePage.asp)

Click "Continue to Symantec Security Check", in the next window click No when asked if you want to close this window, that will bring you to a window where you should click Virus Detection.

Write down exactly anything it finds, then go to: : (http://www.symantec.com/search/) and do a search for what was found. Symantec usually has a removal tool and/or directions for removing manually. Make sure that you follow the instructions for removal, step by step, especially the part regarding disabling System Restore.

Hi,
It is virus, please end the process from windows task manager for rvhost.exe and scan with Smithfraudfix in safe mode.then scan your computer through Malwarebyte in normal mode .

Windows cannot find RVHOST.exe. What should I do?

Did you run the free scan from Symantec as mentioned earlier? It will tell you what to do - if it finds anything.

Running any antivirus won't help, since it seems virus has been removed since it can't be found.
Anyway, just remove it from startup
Do this
Ctrl+r ---> type msconfig ---> In start up tab find rvhost.exe and uncheck it and restart you computer.