Most RC4.DLL errors are due to the lack or damage of RC4.DLL files. The fact that RC4.DLL is an external file, opens the possibility for all sorts of undesirable consequences.
Unexpected shutdown of your computer or virus infection can damage RC4.DLL, which will lead to DLL errors. When the RC4.DLL file is corrupted, it can not be loaded normally and will display an error message.
In other cases, RC4.DLL file errors may be due to problems in the Windows registry. Non-working DLL links can prevent the DLL file from being registered properly and cause an RC4.DLL error. These non-working registry keys may appear as a result of missing a DLL file, moving the DLL file, or because there is a residual DLL file link in the Windows registry after an unsuccessful installation or removal of the program.
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More specifically, the RC4.DLL error data can be caused by the following reasons:
- Erroneous or corrupted registry entries for RC4.DLL
- A virus or malware that damaged the RC4.DLL file.
- Failure of Microsoft Corporation equipment, for example, a poor-quality hard drive that caused damage to the RC4.DLL file.
- Another program has changed the required version of RC4.DLL.
- Another program maliciously or accidentally deleted the RC4.DLL file.
- Another program deleted the RC4.DLL file.