Starting third-party programs under Windows software requires the availability of the necessary components and their correct functioning. If one of the rules was broken, inevitably there will be a different kind of error that impede the further operation of the application. About one of them, with CLR20R3 code, we will talk in this article.
CLR20R3 error correction
The reasons that cause this error are several, but the main of them is incorrect operation of the .NET Framework component, the mismatch of the version or its complete absence. There may also be a viral attack or damage to system files responsible for the functioning of the corresponding system elements. The instructions below should be performed in the order in which they are lined up.Method 1: System Restore
This method will be effective if the problems started after installing programs, drivers or Windows updates. Here, the main thing is to correctly determine what caused such behavior of the system, and then select the desired recovery point.
Read more: How to restore Windows 7
Method 2: Troubleshooting updates
If the failure occurred after updating the system, it is worth thinking about the fact that this process ended with errors. In such a situation, it is necessary to eliminate the factors affecting the success of the operation, and in case of failure, install the necessary packages manually.
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Method 3: Troubleshooting .NET Framework
As we have already written above, this is the main cause of the failure under discussion. This component is vital for some programs in order to enable all functions or just be able to run under Windows. Factors affecting the work .NET Framework is a wide variety. These are the actions of viruses or the user itself, incorrect update, as well as the mismatch of the established version of the requirements of the software. You can solve the problem by checking the edition of the component, and then reinstalling or updating it.
Read more:
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Method 4: Virus Check
If the above methods did not help get rid of the error, you need to check the PC for the presence of viruses that can block the execution of the program code. It is necessary to do this in the event that the problem was eliminated, since the pests could become the root cause of its occurrence - damage the files or change the system parameters.
Read more: Fighting computer viruses
Method 5: Restore system files
This is the extreme tool for correcting the CLR20R3 error, then only reinstalling the system follows. WINDOVS has a built-in SFC.exe utility, which bears the protection and recovery features of damaged or lost system files. It follows it from the "command line" under the operating system or in the recovery environment.
There is one important nuance here: if you use the unofficial (pirated) assembly of "Windows", this procedure can fully deprive its performance.
Read more:
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Restore system files in Windows 7
Conclusion
Fix the CLR20R3 error is very difficult, especially if viruses settled on the computer. However, in your situation everything can not be as bad and will help the .NET Framework update, which most often happens. If none of the ways helped, unfortunately, you will have to reinstall Windows.