Message-google installer has encountered a problem. Computer freezes up...

My husbands computer showed a message-google installer has encountered a problem...  We connected to Dell last night and did what they told us, that didn't fix the problem. We have downloaded and ran SDFix and Hijackthis. We have been trying to install Malwarebytes, but it stalls halfway through extracting files. He can only connect to the internet through safemode. We tried going back to last working configuration, that didn't work. We tried to do a system restore, but all of the previous restore points are now gone. We don't know what else to do. Please help if you can. thanks!!