This site requires JavaScript to be enabled

IncidentLookup using list
How can we help?

Solution Suggestions

Please enter your question to get suggestions.
Boolean Operators
OR or vertical bar symbol (|)
Finds a match if either the terms exist in a document (a union using sets).
Finds a match if both terms exist in a document (an intersection of sets).
NOT, minus (-), or exclamation point (!)
Excludes documents that contain the term after NOT (a difference of sets).
Asterisk (*)
The asterisk symbol performs a multi character wildcard search.
Percent sign (%)
The percent sign performs a single character wildcard search.
Quotation marks (")
Use quotation marks to search for an exact phrase with multiple terms.
For examples and more information look at our Knowledge Base: Advanced Search On The Support Portal

How to fix error “0x80070643” while installing Tosca commader.



While trying to install Tosca commander you may encounter an error with the below error message as attached  .

An error occurred : Fatal Error during installation (0x80070643)



This error usually comes as a result of system settings being configured incorrectly due to windows updates  malfunction, corrupted files, a system file having been deleted, or old versions of programs that haven't been properly removed when a new version was downloaded or with corrupted .NET framework.



This error can be fixed with the following troubleshooting steps

  • Fixing the windows updates

Open the command prompt cmd as administrator and type the below command in order to Remove all the definations of the machine which might got corrupted

“%PROGRAMFILES%\Windows Defender\MPCMDRUN.exe” -RemoveDefinitions -All

Download all the signature updates for defender

“%PROGRAMFILES%\Windows Defender\MPCMDRUN.exe” -SignatureUpdate

Install the updates

"%ProgramFiles%\Windows Defender\MPCMDRUN.exe" -SignatureUpdate -MMPC


Now open the Troubleshoot settings  from the start menu  and click on Run the Troubleshooter for windows update.



This will fix the problem with the windows update , apply the fix




  • Fixing the .NET framework.

Navigate to the microsoft website and download the .NET Framework repair Tool from the below link


Install and run the .NET framework repair tool which should fix the issue 




0 0

Martin Soka

Created: 2020-07-08 10:03:24

in addition to this article, fixing broken registries and repairing installation can be achieved with the help of KB0015503