Hello Allure,
To add to CE's posting:
As always, you should make sure that you have got a working system restore
point before you run any test, download or install a new game, application,
or software update, you make changes to your computer.
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I use the belt-and-suspenders mode. Make a Restore Point.
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When downloding a new appllication, or applet, or executable file, or msi
program, I always choose to SAVE them to the DESKTOP, then I make a folder
and copy the download to the new folder When the program is fully
downloaded, I then run my antivirus program against that saved file to make
sure it is virus free. (right click, then choose scan with "antivirus
program").
Once I know it is clean and safely stored, I disconnect from the internet,
turn off my antivirus program, & close all nonessential process in the task
manager.
Then go to the "New Folder" folder and double click on the new application
to install it without interference.
Once it is installed, reboot your computer to start your antivirus program
and previously ended processes automatically, and then if it needs to access
the INet for activation or registration, it can do that safely.
Your firewall may say it found a new application and asks if it is OK, which
you know is fine since you just installed it.
I have never had a problem with failed installations or other program
interference using this simple stepwise process.
Good luck
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