Cannot communicate with Internet Explorer Browser - Troubleshoot steps

[PranayaSahu]

Issue Description

Troubleshooting steps

Approach 1#:

Please try troubleshooting steps mentioned in our Kb article

Internet Explorer x64 Troubleshooting

• Restart the system after implementing the steps in the system
• Troubleshoot document solves most of the issue , follow the below steps in case if doesn’t work.

Approach 2#:
If the above mentioned does not work, kindly use “Start Process” activity to open IE and verify .

Start Process

• Upgrade IE to version 11 and check if that resolves the issue

Approach 3#:

Firstly, can you confirm you have IE selected in the properties tab of your Open Browser Activity:

In addition, can you ensure you have IE turned on from within Windows Features.

Approach 4#:

If the issue still persists please follow below steps to reset IE:-

1.  Click Start, please type "inetcpl.cpl" (without quotation marks) in the Start Search bar and press Enter to open the Internet options window.
   

2.  Switch to the Advanced tab.
   

3.  Click the Reset Internet Explorer Settings button.
   

4.  Click Reset to confirm the operation.
   

5.  Click Close when the resetting process finished.
   

6.  Un-check Enable third-party browser extensions option in the Settings box.
   

7.  Click Apply, click OK.
   

Also, you can refer below link -

Open browser : Cannot communicate with Internet Explorer browser

Hi, I am trying to use open browser activity in uipath , but it is giving the following error : Main has thrown an exception Message: Cannot communicate with Internet Explorer browser. Source: Open browser Exception Type: BrowserOperationException UiPath.Core.BrowserOperationException: Cannot communicate with Internet Explorer browser. —> System.Runtime.InteropServices.COMException: Cannot communicate with Internet Explorer browser. at UiPath.UiBrowserClass.Open(String bstrURL, UiBrowserF…

[jeyaprakasamm]

Hi, I am getting the same error for almost all the browsers. The issue is only to specific activity in IE. other processes are running perfectly in the same IE browser.

[vboddu]

This is a known issue with uipath.automation 19.10.1 can you use 18.4.4. if you are using 19.101.1 open browser with empty URL and then attach the browser it will work. what version of uipath.autoamtion package you are using ?

[jeyaprakasamm]

2018.4.1