Knowing basic computer troubleshooting techniques is the key to help you fix this error. Luckily, the methods of fixing the Mcafee problem are not as intimidating as it might sound and we will guide you in the following paragraphs. Below we have various and mostly simple methods which you can try in order to fix app won't open problem you face and then avoid all other consequences that follows after it.
One way to update Windows 7 - To turn on automatic updates in Windows 7:
1.Select the Start button
2.In the search box, enter Update, and then, in the list of results, select Windows Update.
3.In the left pane, select Change settings, and then under Important updates, select Install updates automatically (recommended).
4.Under Recommended updates, select the Give me recommended updates the same way I receive important updates check box, and then select OK.
5.Reboot your computer after you have done all these steps.
6.Voila! Windows will install updates automatically by itself and there is no need to keep an eye on it any more.
Check PRINTER connection:
To check whether your printer is connected to computer, you can take small test first, print a copy of text file, if the text can be printed then printer connection is ok, if not, follow steps below to check what the matter is.
1.Check if the printer is power on.
2.Check if cable between printer and computer is attached properly.
3.Open device manager; check whether the printer device is existed under other devices category. If there is yellow circle with an exclamation mark in front of printer, it means the connection is abnormal.
Download PRINTER driver
1.Read the user manual of your printer device, find the information of printer brand and model.
2.Visit the official website of printer, navigate to driver download page.
3.Locate and click download link to get the driver of your printer model.
Update PRINTER driver
1.Click Start button on the taskbar, right click on Computer, choosing Manage.
2.Computer management window will pop up, find and click Device manager on the left bar, all the devices on your pc will be appeared on right side.
3.Locate and double click Other devices, find the printer name you want to update.
4.Right click on it choose Update Driver Software.
5.You will two options: Search automatically for updated driver software or Browse my computer for driver software. Click the first option; follow the instructions on the screen to complete update.
MODIFY PRINTER Settings
1.Click Start -> Devices and Printers, you will enter devices and printers window.
2.Click printer icon and a secondary window will replace the old one.
3.You will see three options on the new window, click on customize your printer, and a new window will show up.
4.It will ask you to select a printer to change settings, choose the right one, clicking OK.
5.The printer properties window will open, there are several tabs, you can make settings yourself, after setting, click OK.