Protected browser will not open

[Ciarog]

I have been using Safe Money to open bank websites for years and it has always worked well. Today when I try to open any bank website in the Protected Browser I get a message saying "Run error: Failed to run Protected Browser. Reason: Process was stopped."

I am in Firefox, Windows 11 24H2 64-bit, Kaspersky Internet Security v. 21.3.10.391(m) databases are up to date.

Subscription: Active Paid until: Feb 16, 2026 Remaining days: 284

Please advise.

 

 

[Flood and Flood's wife]

3 hours ago, Ciarog said:

I have been using Safe Money to open bank websites for years and it has always worked well. Today when I try to open any bank website in the Protected Browser I get a message saying "Run error: Failed to run Protected Browser. Reason: Process was stopped."

I am in Firefox, Windows 11 24H2 64-bit, Kaspersky Internet Security v. 21.3.10.391(m) databases are up to date.

Subscription: Active Paid until: Feb 16, 2026 Remaining days: 284

Please advise.

Hello @Ciarog, 

Welcome!

There's a known issue with v21.3 that's been fixed in the new version, there's two options, a free upgrade to the new version or a workaround to the existing version, please read on: 

*Option one*

• KIS is Kaspersky's old software, it's been replaced by Kaspersky Standard, it can be upgraded for free - READ: Kaspersky: Basic, Standard, Plus, Premium - info & FAQ by Danila T. 

1. Make sure the KIS activation code is saved in (your) MyKaspersky account, Subscription tab?
2. Create a System Restore Point. 
3. Uninstall KIS, using Windows, Uninstall OR change a program -> during the *uninstall* do not check/tick any boxes *except* Save license & IF (you've) created Secret vault(s) check/tick the Data Encryption box; READ: KIS, How to uninstall the application. 
4. Shutdown the computer using Shutdown, not Restart, power ON the computer by pressing the power button, login. 
5. Download Kaspersky Standard: https://www.kaspersky.com/downloads#update-product
6. Install Kaspersky Standard. 
7. *Important* At the *end* of the successful Kaspersky Standard install, make sure you've signed into the Kaspersky Standard application with the same email address that (you) use to sign into (your) MyKaspersky account - so it synchronises with (your) MyKaspersky account. 
8. Recheck the original issue? 

*Option two*

1. Make sure Windows Hidden items, is checked -> refer: View hidden files and folders in Windows
2. *important* -> open Kaspersky app, select Settings⚙ -> General, uncheck Enable Self-Defense, select Save, select Yes to confirm the action.
3. Exit Kaspersky app - on the Windows taskbar or hidden icons, rightclick the Kaspersky icon, select Exit.
4. Go to folder C:\ProgramData\Kaspersky Lab\AVP21.3\Report\ and delete the contents -> all files and folders.
5. Shutdown the computer, using Shutdown, not Restart, power on, login.
6. Make sure KiS is running?
7. *important* -> Enable Self-Defense.
8. Re-check the issue(s)?

Please share the outcome with the Community, when it's available?

Thank you🙏
Flood🐳+🐋

[Ciarog]

Thank you. Option one worked and everything is fine. It sure would have been nice if someone from Kaspersky had told me I needed to do that.