diff --git a/src/chocolatey/chocolatey.ts b/src/chocolatey/chocolatey.ts
index 8f7d679f..c922b415 100644
--- a/src/chocolatey/chocolatey.ts
+++ b/src/chocolatey/chocolatey.ts
@@ -42,7 +42,7 @@ export async function setupChocolatey(
   if (maybeChoco !== null) {
     binDir = dirname(maybeChoco)
   } else {
-    binDir = "C:\\ProgramData\\Chocolatey\\bin\\"
+    binDir = "C:/ProgramData/Chocolatey/bin/"
   }
 
   if (existsSync(binDir)) {
diff --git a/src/cppcheck/__tests__/cppcheck.test.ts b/src/cppcheck/__tests__/cppcheck.test.ts
index 6e96734e..78785be8 100644
--- a/src/cppcheck/__tests__/cppcheck.test.ts
+++ b/src/cppcheck/__tests__/cppcheck.test.ts
@@ -1,12 +1,11 @@
 import { setupCppcheck } from "../cppcheck"
 import { testBin } from "../../utils/tests/test-helpers"
-import { InstallationInfo } from "../../utils/setup/setupBin"
 
 jest.setTimeout(200000)
 describe("setup-cppcheck", () => {
   it("should setup cppcheck", async () => {
     const installInfo = await setupCppcheck("", "", process.arch)
 
-    await testBin("cppcheck", ["--version"], (installInfo as InstallationInfo | undefined)?.binDir)
+    await testBin("cppcheck", ["--version"], installInfo.binDir)
   })
 })
diff --git a/src/cppcheck/cppcheck.ts b/src/cppcheck/cppcheck.ts
index bec183c1..ea6bdfd8 100644
--- a/src/cppcheck/cppcheck.ts
+++ b/src/cppcheck/cppcheck.ts
@@ -8,7 +8,7 @@ export async function setupCppcheck(version: string | undefined, _setupCppDir: s
   switch (process.platform) {
     case "win32": {
       await setupChocoPack("cppcheck", version)
-      const binDir = "C:\\Program Files\\Cppcheck"
+      const binDir = "C:/Program Files/Cppcheck"
       addPath(binDir)
       return { binDir }
     }
diff --git a/src/doxygen/doxygen.ts b/src/doxygen/doxygen.ts
index 0e195475..3fd28cef 100644
--- a/src/doxygen/doxygen.ts
+++ b/src/doxygen/doxygen.ts
@@ -9,8 +9,8 @@ export async function setupDoxygen(version: string | undefined, _setupCppDir: st
     case "win32": {
       await setupChocoPack("graphviz", version)
       await setupChocoPack("doxygen.install", version)
-      addPath("C:\\Program Files\\Graphviz\\bin")
-      const binDir = "C:\\Program Files\\doxygen\\bin"
+      addPath("C:/Program Files/Graphviz/bin")
+      const binDir = "C:/Program Files/doxygen/bin"
       addPath(binDir)
       return { binDir }
     }
diff --git a/src/gcc/gcc.ts b/src/gcc/gcc.ts
index 1722b549..db43174d 100644
--- a/src/gcc/gcc.ts
+++ b/src/gcc/gcc.ts
@@ -15,11 +15,11 @@ export async function setupGcc(version: string, _setupCppDir: string, arch: stri
         await setupChocoPack("gcc-arm-embedded", version)
       }
       await setupChocoPack("mingw", version)
-      if (arch === "x64" && existsSync("C:\\tools\\mingw64\\bin")) {
-        binDir = "C:\\tools\\mingw64\\bin"
+      if (arch === "x64" && existsSync("C:/tools/mingw64/bin")) {
+        binDir = "C:/tools/mingw64/bin"
         addPath(binDir)
-      } else if (arch === "ia32" && existsSync("C:\\tools\\mingw32\\bin")) {
-        binDir = "C:\\tools\\mingw32\\bin"
+      } else if (arch === "ia32" && existsSync("C:/tools/mingw32/bin")) {
+        binDir = "C:/tools/mingw32/bin"
         addPath(binDir)
       }
       break
diff --git a/src/msvc/msvc.ts b/src/msvc/msvc.ts
index 2a483f04..2ac15a9c 100644
--- a/src/msvc/msvc.ts
+++ b/src/msvc/msvc.ts
@@ -38,7 +38,7 @@ export async function setupMSVC(
     toolset = "14.0.25420.1"
     await setupChocoPack("visualcpp-build-tools", toolset, ["--ignore-dependencies", "--params", "'/IncludeRequired'"])
 
-    VCTargetsPath = "C:\\Program Files (x86)\\MSBuild\\Microsoft.Cpp\\v4.0\\v140"
+    VCTargetsPath = "C:/Program Files (x86)/MSBuild/Microsoft.Cpp/v4.0/v140"
     if (existsSync(VCTargetsPath)) {
       exportVariable("VCTargetsPath", VCTargetsPath)
     }
@@ -48,14 +48,14 @@ export async function setupMSVC(
       "--package-parameters",
       "add Microsoft.VisualStudio.Workload.NativeDesktop --includeRecommended --passive",
     ])
-    VCTargetsPath = "C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\BuildTools\\MSBuild\\Microsoft\\VC\\v150"
+    VCTargetsPath = "C:/Program Files (x86)/Microsoft Visual Studio/2017/BuildTools/MSBuild/Microsoft/VC/v150"
   } else if (version === "2019") {
     toolset = "16.11.2.0"
     await setupChocoPack("visualstudio2019buildtools", toolset, [
       "--package-parameters",
       "add Microsoft.VisualStudio.Workload.NativeDesktop --includeRecommended --passive",
     ])
-    VCTargetsPath = "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\BuildTools\\MSBuild\\Microsoft\\VC\\v160"
+    VCTargetsPath = "C:/Program Files (x86)/Microsoft Visual Studio/2019/BuildTools/MSBuild/Microsoft/VC/v160"
   }
   if (VCTargetsPath !== undefined && existsSync(VCTargetsPath)) {
     exportVariable("VCTargetsPath", VCTargetsPath)
diff --git a/src/utils/setup/setupChocoPack.ts b/src/utils/setup/setupChocoPack.ts
index 0e3cacc4..a2f3813f 100644
--- a/src/utils/setup/setupChocoPack.ts
+++ b/src/utils/setup/setupChocoPack.ts
@@ -24,5 +24,5 @@ export async function setupChocoPack(name: string, version?: string, args: strin
     throw new Error(`Failed to install ${name} ${version}`)
   }
 
-  return { binDir: "C:\\ProgramData\\Chocolatey\\bin\\" }
+  return { binDir: "C:/ProgramData/Chocolatey/bin/" }
 }