.Net Frameworks ERROR?

Question

.Net Frameworks is installed on my computer with multiple versions. After a little digging I think I need to use the .Net Frameworks installutil.exe fo fix  the errors that keep popping up on reboot. They are both the same.

Windows Service Start Failure

Cannot start service from the command line or a debugger period a windows service must first be installed (using installutil.exe) and then started with the Server Explorer, windows services administrative tool or the NET START command

I found the installutil.exe file but there are multiple copies of multiple versions of .Net Framework and am unsure which one to run.

Answer 1

Ouch ! Sorry to hear that.

Could you have have been caught by a scammer who pretended to be from MS, or some other

'security' company who said they found viruses or a corrupt registry, on your machine and

suggested they needed to remotely take control of your machine to fix the issues ?- Or was it a Trojan or other malware that you inadvertently installed ?

• A full reformat of the HDD before reinstalling Windows is often adequate, but  I have heard of the possibility of the HDD's boot sector becoming corrupted, or infected, and in that situation they do

suggest a new HDD.  I think 'rootkits' are one such infection capable of doing this.

Small consolation, but at least HDD's are good value per Gigabyte these days.

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Answer 2

Thank you for your response. Since having written my question, I have discovered that my computer has been under remote control of someone else and nearly my entire registry has been rewritten unbeknownst to me since July of last year! Now it is completely shut down and I guess I need to reload the operating system? Or replace the hard drive or both??

Answer 3

"but there are multiple copies of multiple versions of .Net Framework and am unsure which one to run.**"

My understanding is that .NET framework updates are cumulative (unlike C++), so if you have multiple versions installed, uninstall all but .NET 4.5 (which, I believe, becomes 4.5.1 after using Windows updates),

via Programs and Features .

I've had no issues with any software that uses earlier versions of .NET since uninstalling 

.NET 3.5 (the version which installs with Win7) when I installed .NET 4.5 (in 2012).

Or, if you already have 4.5, uninstall all versions you have installed,  reboot and start fresh with

a new install of 4.5 (it may be 4.5 has been corrupted somehow).

Download Microsoft .NET Framework 4.5 from Official Microsoft Download Center

• Regarding the .NET Services.

I have two versions that are disabled in (which I'm pretty sure I did not disable myself).

 - NGEN v2.0.50727 - one each, x64 and x86.

There are two other versions set to Automatic - delayed start (Both of which are stopped atm.)

 - NGEN v4.0.30319 - (x64/x86).

(Hmm, wonder if the installutil.exe would have got rid of these services as well ? )

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