What is macsaver101.com

That message is a scam, DO NOT call the number, they will ask for money on the order of $300-400 and want you to give them remote access and control of your computer.

I have the same message, macsaver101.

how did you resolved the issue? do I just restart my mac?

Go to Safari on the menu bar when Safari is open, Preferences, Privacy and Remove All Website Data, then Bookmarks, Clear History.

Can't empty cache. Warning freezes screen. When I force quit and relaunch holding the shift key the warning takes over my screen again I'm using Chrome now, but would like to solve the Safari problem.

Try disconnecting from the Internet and then delete the cache.

I have this same problem right now and my screen is froze so I can't go to Preferences. I am not very technologically savy so what do you mean by disconnect from internet and delete cache? Do I restart my computer? Help please!

I was finally able to solve my problem by downloading adwaremedic from Malewarebytes. I used the software tool to delete ad malware That alone didn't solve it. I then clicked on the 'next steps' button. That took me to their page on Malewarebytes in Safari. Now I was able to access the history. I deleted all sites and empty the cache. Then restarted my computer and Safari. Hope this helps.

I was able to solve the issue. I used Force Quit to get out of Safari and restarted my computer. Then as I went back in Safari I held down the 'shift' button and was able to clear the history....problem gone! Thanks

Thanks, that worked for me too, after even running Onyx didn't clear it.

That's a good trick to know.

My husband called the number thinking it was customer service for my virus scanner and when I realized what was happening, he had access to my iMac and just looked up my IP address. I panicked, shut off my computer. Cleared all my history. I'm worried about my safety. Is there anything else I should do?

I have tried all of the suggestions on this thread and am unable to get in to either History or Preferences. I am able to quit Safari from the menu, but nothing else. any other ideas?

You should erase and reformat your hard drive, then restore your computer from a backup made prior to when you allowed them access. Change your passwords and other critical information also. You don't know what software might have been installed.

You might want to consider starting a new discussion. Since this one is marked solved, less people are likely to look at it. You can link to this one.

Try a restart.

Do a backup, using either Time Machine or a cloning program, to ensure files/data can be recovered. Two backups are better than one.

Try setting up another admin user account to see if the same problem continues. If Back-to-My Mac is selected in System Preferences, the Guest account will not work. The intent is to see if it is specific to one account or a system wide problem. This account can be deleted later.

Isolating an issue by using another user account

If the problem is still there, try booting into the Safe Mode using your normal account. Disconnect all peripherals except those needed for the test. Shut down the computer and then power it back up after waiting 10 seconds. Immediately after hearing the startup chime, hold down the shift key and continue to hold it until the gray Apple icon and a progress bar appear. The boot up is significantly slower than normal. This will reset some caches, forces a directory check, and disables all startup and login items, among other things. When you reboot normally, the initial reboot may be slower than normal. If the system operates normally, there may be 3rd party applications which are causing a problem. Try deleting/disabling the third party applications after a restart by using the application un-installer. For each disable/delete, you will need to restart if you don't do them all at once.

Safe Mode

Safe Mode - Mavericks also Yosemite

Safe Mode - About

Safe Mode - Yosemite