diff --git a/.github/workflows/CI_build.yml b/.github/workflows/CI_build.yml
index 8191cfc2e0a1..51b0c3f2debf 100644
--- a/.github/workflows/CI_build.yml
+++ b/.github/workflows/CI_build.yml
@@ -297,7 +297,9 @@ jobs:
     env:
       PATH_FOR_CACHE: |
         lexilla\bin
+        lexilla\src\vc*.pdb
         scintilla\bin
+        scintilla\win32\vc*.pdb
 
     steps:
     - name: Checkout repo
@@ -358,6 +360,9 @@ jobs:
           Get-ChildItem -Path ..\bin -File | ForEach-Object { $_.LastWriteTime = $Now }
         }
         nmake -f scintilla.mak DIR_O=..\bin
+        Write-Output (Get-ChildItem -Path ..\bin -Recurse -File -Force -ErrorAction SilentlyContinue | Select-Object FullName)
+        Write-Output (Get-ChildItem -Path .\ -Recurse -File -Force -ErrorAction SilentlyContinue | Select-Object FullName)
+        #exit 1
 
     - name: build lexilla
       working-directory: lexilla/src/
@@ -367,6 +372,9 @@ jobs:
           Get-ChildItem -Path ..\bin -File | ForEach-Object { $_.LastWriteTime = $Now }      
         }
         nmake -f lexilla.mak DIR_O=..\bin
+        Write-Output (Get-ChildItem -Path ..\bin -Recurse -File -Force -ErrorAction SilentlyContinue | Select-Object FullName)
+        Write-Output (Get-ChildItem -Path .\ -Recurse -File -Force -ErrorAction SilentlyContinue | Select-Object FullName)
+        exit 1
         
     - name: (cache) Save SciLex files
       if: env.SCILEX_CMAKE_ALLOW_CACHE == 'true' && steps.cache-restore.outputs.cache-hit != 'true' && github.event_name == 'push'