![w3wp.exe' (IIS Worker Process) process CPU is 99% - Controller client slow, and often says "Not Responding" - caused by importing unusually large (corrupt) CSV file w3wp.exe' (IIS Worker Process) process CPU is 99% - Controller client slow, and often says "Not Responding" - caused by importing unusually large (corrupt) CSV file](https://www.ibm.com/support/pages/system/files/inline-images/image-20190215143803-1.png)
w3wp.exe' (IIS Worker Process) process CPU is 99% - Controller client slow, and often says "Not Responding" - caused by importing unusually large (corrupt) CSV file
A Blog to a System Admin's Passion: IIS Worker Process (w3wp.exe) memory usage too high in Exchange Server
![IIS Server and Azure Server hang due to SQL CPU and memory high utilization and not able to process the request further - Stack Overflow IIS Server and Azure Server hang due to SQL CPU and memory high utilization and not able to process the request further - Stack Overflow](https://i.stack.imgur.com/HjBZV.jpg)
IIS Server and Azure Server hang due to SQL CPU and memory high utilization and not able to process the request further - Stack Overflow
![windows server 2008 r2 - High CPU usage of IIS process (w3wp.exe) because of many slow clr.dll!CopyPDBs - Server Fault windows server 2008 r2 - High CPU usage of IIS process (w3wp.exe) because of many slow clr.dll!CopyPDBs - Server Fault](https://i.stack.imgur.com/hkhDs.png)
windows server 2008 r2 - High CPU usage of IIS process (w3wp.exe) because of many slow clr.dll!CopyPDBs - Server Fault
![w3wp.exe' (IIS Worker Process) process CPU is 99% - Controller client slow, and often says "Not Responding" - caused by importing unusually large (corrupt) CSV file w3wp.exe' (IIS Worker Process) process CPU is 99% - Controller client slow, and often says "Not Responding" - caused by importing unusually large (corrupt) CSV file](https://www.ibm.com/support/pages/system/files/inline-images/image-20190215144429-3.png)