Error: ThomsonReuters.Authenticator.Desktop.BrowserHandler.exe file is not found

Solutions

Navigate to your
WinCSI
folder and open the
UT22
folder.
Open the
Desktop
folder and try to find the
Desktop Authentication
folder.
If the folder exists, open it and run the
BrowserHandler.Installer.Package.msi
file.
If the folder is missing, open the
UT21
folder instead and check if it exists there. If it does, run the
BrowserHandler.Installer.Package.msi
file.
If the folder is missing for both UT22 and UT21, go to the next step.
Go back to the
WinCSI
folder and open
Tools
, then
Desktop
.
If the
Desktop Authentication
folder is there, open it and run the
BrowserHandler.Installer.Package.msi
file. Otherwise go to the next step.
Install UT23.
Go back to
WinCSI
and open the
UT22
or
UT21
folder again and run the
Setup.exe
file.
If UltraTax CS 2022 was installed before August 17, 2023:
Close UltraTax CS 2022, if open.
Navigate to
WinCSI
and open the
UT22
folder.
Check if the folder
utplatform.ext,22,3,4,#0000000RZE8UG
exists.
If that folder is there, find the
utplatform.ext,
22,3,5
,#0000000S4055O
folder. Rename it to
utplatform.ext,
22,3,5
,#0000000S4055O.old
Open UltraTax CS 2022, sign in, and retrieve updates through CS Connect.