ProTitser is new, and Windows warns about any program that only a few people have downloaded. The file is safe when it came from protitser.com or your authorized distributor.
1Download the installer
protitser.com
Download for Windows
1On protitser.com, press Download for Windows.
ProTitser_setup.zip isn't commonly downloadedMake sure you trust it before you open it.
KeepDelete
2If you see this, press Keep. (Click the small arrow or the three dots to find it.)
Make sure you trust ProTitser_setup.zip before you open itMicrosoft Defender SmartScreen couldn't verify if this file is safe.
Keep anywayDelete
3If it asks again, press Show more, then Keep anyway.
2Open the zip file
Downloads
ProTitser_setup.zip
OpenExtract All…Properties
1In Downloads, right-click the ProTitser zip file and choose Extract All.
Extract Compressed (Zipped) FoldersFiles will be extracted to this folder:Downloads\ProTitser_setup
ExtractCancel
2Press Extract. A folder opens.
ProTitser_setup
How to install ProTitser
Install ProTitser
ProTitser_setup
3Double-click Install ProTitser. It gets the installer ready and opens it for you.
3If a blue box appears: More info, then Run anyway
Windows protected your PCMicrosoft Defender SmartScreen prevented an unrecognised app from starting. More info
Don't run
1Click the words More info.
Windows protected your PCApp: ProTitser_setup.exe Publisher: Unknown publisher
Run anywayDon't run
2Press Run anyway.
User Account ControlDo you want to allow this app to make changes to your device?ProTitser Setup
Windows SecurityApp & browser controlReputation-based protectionThese settings protect your device from malicious or potentially unwanted apps, files and websites.Reputation-based protection settings
3Click Reputation-based protection settings.
Windows SecurityReputation-based protection
Check apps and filesOff
SmartScreen for Microsoft EdgeOff
Potentially unwanted app blockingOff
4Switch these three to Off: Check apps and files, SmartScreen for Microsoft Edge and Potentially unwanted app blocking. Press Yes if Windows asks.
ProTitser SetupInstalling… please wait
5Open the installer again and finish steps 3 to 5.
Windows SecurityReputation-based protection
Check apps and filesOn
SmartScreen for Microsoft EdgeOn
Potentially unwanted app blockingOn
6Switch all three back On when ProTitser is installed.
Do not skip picture 6. These three switches protect your laptop from other downloads and websites. ProTitser keeps working with them on. The yellow “Your device may be vulnerable” notes go away once they are back on.
CWindows 11 says “Smart App Control blocked”
Windows SecurityApp & browser controlSmart App ControlSmart App Control adds protection by blocking untrusted apps.Smart App Control settings
1In App & browser control, click Smart App Control settings.
Windows SecuritySmart App Control
On
Evaluation
Off
2Choose Off, then open the installer again.
Think first: once Smart App Control is Off, Windows does not let you switch it back on without resetting the laptop. Do this only on your own laptop. On a school laptop, ask your ICT coordinator.
DThe file disappeared, or an antivirus removed it
Download it again from protitser.com.
Using Avast, McAfee, Kaspersky or another antivirus? Open it and choose Allow or Restore for the ProTitser file.
To be sure the file is genuine, use Check that your download is genuine in the Download section of protitser.com.
Still stuck?
Take a photo of what Windows shows and send it to the developer or your distributor.