Just as the pictures below, In Windows NT operating systems, the System Idle Process contains one or more kernel threads which run when no other runnable thread can be scheduled on a CPU. In a multiprocessor system, there is one idle thread associated with each CPU core.
Too many programs are running at the same time.
1. Remove the application which you installed recently.
Go to Control Panel, choose Uninstall a program, right-click the program you need to uninstall and click Uninstall. It is deserved to mention that SmartPCFixer has the uninstall function which will largely save your time and fix errors efficiently.
2. Run a windows update to eliminate system process 99 error.
Click Start, Type windows update in the searching box and click check for update.
3. Run SFC to fix your windows system problems.
System File Checker is a useful tool included with Windows that allows you scan for and restore corruptions in Windows system files.
Click "Start" Button, and type CMD in the searching box. Right-click "CMD", then run as administrator.
At the command prompt, type the following command, and then press ENTER:
4. Boot in Safe mode with Networking and see if the error still pops up in Windows.
Click Start, type MSCONFIG, and click Boot from the pop up dialog. Tick Safe Boot in Boot Option, then select Network and Reboot the PC.
Please Note:The Windows Registry will be scanned and repaired by SmartPCFixer. This utility
will remove damaged registry entries and repair the windows registry. The scan and repair process will take approximately 2 minutes.
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