a0001727.dll registry error is a part of Operativsystemet Microsoft® Windows®. This version of Microsoft Operating System suggests that the file may originate in Germany. Regardless, an error in your operating system needs to be fixed immediately.
You may be at risk for spyware or viruses attached to the registry file. Registry files are known for having malware attached to them. If you can track the file to its origin or place it is running from, you can repair or download a new file.
The process of fixing registry errors is time-consuming and never-ending. Your best bet is to run a good anti-spyware and registry cleaner at the same time.
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