Antivirus or system security incorrectly installed in this system.  

QuickBooks user not logged in as an administrator to read the new files. 

First, open the run box by simply pressing windows+R 

Now, press enter in and click on OK tab 

Click on account control settings 

If you are getting any reminder by UAC, click on yes tab 

The next move slider, and set it to turn UAC OF, and then click on never notify and go for the OK tab. 

Now, if you want to turn UAC ON, then click on the OK tab. 

Last restart the system. 

The user needs to open the task manager by click on CTRL+Shift+ESC keys. 

Then, processes tab and find the antivirus in your system. 

Now, go for the end process tab. 

First, you have to open the file by click on windows+ E keys 

Now, go to the C:/Program files/register/QuickBooks components for 32 bit users 

Then, for 64 bit users, the path C:/ Program files (x86)/Intuit/QuickBooks components to be selected. 

Click on right then download QBXX folder> select rename option. 

Last add old extension to the end of the name. 

Then, right-click on the same 

Select the run admin option 

Enter the admin log in details 

Press OK tab and it will be login you as admin 

While starting, press click on start menu. 

Then, click on switch user at bottom right side arrow. 

Enter the admin log in details. 

Now, it will easily switch to user account to admin. 

First step is open the run box by clicking on Windows+R 

Enter configuration and then press on OK tab 

Move to the General tab 

Then, head towards selective startup mode and then load the system services. 

Now, move to the services tab and hide all Microsoft services. 

Check the hide Microsoft services and also click on disable option. 

Always keep in mind that check windows installer from the list of services. 

Last but not least, restart the system. 

First, open run box, and enter MIS configuration followed by OK switch. 

Always go for the Normal startup and the general tab, press on OK tab. 

Now, last restart the system.