Keil MDK 5.26: compilation errors after Win10 update

After upgrading Win10 from 1803 to 1809, I get the following error message when compiling any C file: *** Using Compiler 'V5.06 update 6 (build 750)', folder: '.....\ARM\ARMCC\Bin' compiling main...
Keil MDK 5.26: compilation errors after Win10 update

After upgrading Win10 from 1803 to 1809, I get the following error message when compiling any C file: *** Using Compiler 'V5.06 update 6 (build 750)', folder: '.....\ARM\ARMCC\Bin' compiling main...
Error Message after an Update

I become after an Update the following Error Message: "Build target 'ecuDisplay' compiling component_tecu.cpp... --- Error: failed to execute 'arm-none-eabi-gcc' Target not created" at the build...
Linker error after project update

Hi, last week I had my project working perfectly in Keil 5.28.0.0 generated from STM32 Cube Mx 4.7, i'm using an STM32F103C8T6 for an univercity project. Per a professor request i had to add usb communication...
Linker error after project update

Hi, last week I had my project working perfectly in Keil 5.28.0.0 generated from STM32 Cube Mx 4.7, i'm using an STM32F103C8T6 for an univercity project. Per a professor request i had to add usb communication...