.NET Framework runtime error: “There was a failure initializing profiling API attach infrastructure. This process will not allow a profiler to attach. HRESULT: 0x80004005”.

Hi,

1.      When do you receive this error message? For Example: when you login to desktop, while working on specific programs, etc.

2.      Have you made any recent hardware or software changes to the computer prior to this issue?

3.      What are the lists of errors that you receive?

Repair the .NET Framework and check:

Registry Disclaimer:  Important this section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base: 322756. How to back up and restore the registry in Windows: http://support.microsoft.com/kb/322756/

Virus scan Disclaimer: Any data files that are infected may only be cleaned by deleting the file entirely, which means there is a potential for data loss.

Note: Once you are done with clean boot, please follow Step 7 from the article below to set the computer to normal startup.

http://support.microsoft.com/kb/929135

Follow the steps provided under “Repair .NET Framework” section in the article provided below:

Error codes "0x8007066A" or "66A" occur when you install the .NET Framework updates: http://support.microsoft.com/kb/2507641#method4

Hope it helps.