Could not start.NET Framework NGEN v4.0.30319 _X86 service solution

Unable to start Microsoft.NET Framework NGEN v4.0.30319 _X86 service.. The result is a fast storage technology without automatic startup

NET Runtime Optimization Service (clr_optimization_v2.0.50727 _64) -Tried to a service that wasn"t the latest version CLR Optimization service service Will shutdown (glory69)

Xiao xin: fast storage technology should be one of the technologies provided by Intel motherboard. If your.NET Framework 4 component fails to start, it is recommended that you reinstall 1 of this component. Failure to start 1 is usually caused by damage to the component itself.

The steps to uninstall and reinstall components are as follows:

Step 1: clear the previous.Net Framework 4 component

1. Click here to get the.Net Framework removal tool.

2. After downloading, unzip "dotnetfx_cleanup_tool.zip" and rename "cleanup_tool.exe". Double-click on the run

3. Choose "yes" and "YES". Then a selection box will pop up.

4. On the "product to cleanup" TAB, select ".NET Framework-All Versions (Windows 7)"

5. Click "Cleanup Now".

6. Wait for "Product cleanup successed!" Restart your computer (may take a long time, wait patiently)

Step 2: install by hand.Net Framework 4

1. Manually download Microsoft NET Framework 4 from the following address and save it locally.

http://download.microsoft.com/download/9/5/A/95A9616B-7A37-4AF6-BC36-D6EA96C8DAAE/dotNetFx40_Full_x86_x64.exe

2. Install Microsoft.NET Framework 4 and restart the computer after installation.