diff --git a/src/structures/ProcessLib.ts b/src/structures/ProcessLib.ts
index 71155e9d..3fa9bf99 100644
--- a/src/structures/ProcessLib.ts
+++ b/src/structures/ProcessLib.ts
@@ -1,6 +1,6 @@
 import semver from 'semver'
 import Kernel from '../kernel'
-import { Process, Executable, LibraryData, Package, Library, Permission } from '../types'
+import { Process, Executable, Package, Library, Permission, LoadedLibrary, LibraryPath } from '../types'
 import FlowWindow from './FlowWindow'
 import LibraryLib from './LibraryLib'
 import ProcLib from './ProcLib'
@@ -57,7 +57,7 @@ export default class ProcessLib {
     })
   }
 
-  async loadLibrary (url: string): Promise<LibraryData> {
+  async loadLibrary <T extends LibraryPath>(url: T): Promise<LoadedLibrary<T>> {
     let executable: Executable
     try {
       const comps = import.meta.glob('../system/**/*.ts')
diff --git a/src/system/BootLoader.ts b/src/system/BootLoader.ts
index d98306a4..f9fad95d 100644
--- a/src/system/BootLoader.ts
+++ b/src/system/BootLoader.ts
@@ -83,7 +83,7 @@ const BootLoader: Process = {
       const files = await fs.readdir('/home/Applications/')
       files
         .filter((x: string) => x.endsWith('.app') && ((input.elm as HTMLInputElement) !== null ? x.toLowerCase().includes((input.elm as HTMLInputElement).value.toLowerCase()) : true))
-        .forEach(async (file: string) => {
+        .forEach((file: string) => {
           fs.readFile(`/home/Applications/${file}`).then(async (data: Uint8Array) => {
             const path = Buffer.from(data).toString()
             const executable = await process.kernel.getExecutable(path) as Process
@@ -97,7 +97,7 @@ const BootLoader: Process = {
               alt: `${executable.config.name} icon`
             }).appendTo(appElement)
             new HTML('div').text(executable.config.name).appendTo(appElement)
-          })
+          }).catch((e: any) => console.error(e))
         })
     }
 
@@ -129,11 +129,11 @@ const BootLoader: Process = {
 
     setInterval((): any => {
       getTime().then((time) => {
-        statusBar.element.qs('div[data-toolbar-id="calendar"]').text(time)
+        statusBar.element.qs('div[data-toolbar-id="calendar"]')?.text(time)
       }).catch(e => console.error)
     }, 1000)
 
-    statusBar.element.qs('div[data-toolbar-id="start"]').on('click', () => {
+    statusBar.element.qs('div[data-toolbar-id="start"]')?.on('click', () => {
       launcher.toggle()
     })
 
@@ -180,11 +180,11 @@ const BootLoader: Process = {
           e.detail.win.focus()
           e.detail.win.toggleMin()
         })
-      ).appendTo(statusBar.element.qs('div[data-toolbar-id="apps"]'))
+      ).appendTo(statusBar.element.qs('div[data-toolbar-id="apps"]')?.elm as HTMLElement)
     })
 
     document.addEventListener('app_closed', (e: AppClosedEvent): void => {
-      statusBar.element.qs('div[data-toolbar-id="apps"]').qs(`img[data-id="${e.detail.token}"]`).elm.parentElement.remove()
+      statusBar.element.qs('div[data-toolbar-id="apps"]')?.qs(`img[data-id="${e.detail.token}"]`)?.elm.parentElement?.remove()
     })
 
     document.body.style.flexDirection = 'column-reverse'
diff --git a/src/system/UserAccessControl.ts b/src/system/UserAccessControl.ts
index 593ccca0..3b918e62 100644
--- a/src/system/UserAccessControl.ts
+++ b/src/system/UserAccessControl.ts
@@ -16,7 +16,7 @@ const UserAccessControl: Process = {
     const target = process.data.executable
     return await new Promise((resolve) => {
       process.loadLibrary('lib/WindowManager').then(async wm => {
-        let message
+        let message = 'Unknown action'
         switch (process.data.type) {
           case 'launch': {
             message = `${initiator.config.name as string} wants to launch ${target.config.name as string}`
@@ -42,7 +42,7 @@ const UserAccessControl: Process = {
             } else {
               resolve(false)
             }
-          })
+          }).catch((e) => console.error(e))
       }).catch((e) => console.error(e))
     })
   }
diff --git a/src/system/apps/Browser.ts b/src/system/apps/Browser.ts
index 973d3790..3b6fbb24 100644
--- a/src/system/apps/Browser.ts
+++ b/src/system/apps/Browser.ts
@@ -9,7 +9,7 @@ const BrowserApp: Process = {
     targetVer: '1.0.0-indev.0'
   },
   run: async (process) => {
-    const win = await process.loadLibrary('lib/WindowManager').then((wm: any) => {
+    const win = await process.loadLibrary('lib/WindowManager').then(wm => {
       return wm.createWindow({
         title: 'Browser',
         icon,
@@ -75,7 +75,7 @@ const BrowserApp: Process = {
       iframe: HTMLIFrameElement = document.createElement('iframe')
 
       constructor (url: string) {
-        this.iframe.src = `/service/${xor.encode(url) as string}`
+        this.iframe.src = `/service/${xor.encode(url)}`
         this.iframe.style.display = 'none'
 
         this.header.innerHTML = `
@@ -97,7 +97,7 @@ const BrowserApp: Process = {
         if (this === tabManager.activeTab) {
           (win.content.querySelector('.toggle') as HTMLElement).innerHTML = 'toggle_on'
         }
-        this.iframe.src = `/service/${xor.encode(win.content.querySelector('input').value) as string}`
+        this.iframe.src = `/service/${xor.encode(win.content.querySelector('input')?.value ?? '')}`
       }
     }
 
@@ -167,7 +167,7 @@ const BrowserApp: Process = {
 
     win.content.querySelector('.inp')?.addEventListener('keydown', (event: KeyboardEvent) => {
       if (event.key === 'Enter') {
-        tabManager.activeTab.iframe.src = tabManager.activeTab.proxy ? `/service/${xor.encode((win.content.querySelector('.inp') as HTMLInputElement).value) as string}` : (win.content.querySelector('.inp') as HTMLInputElement).value
+        tabManager.activeTab.iframe.src = tabManager.activeTab.proxy ? `/service/${xor.encode((win.content.querySelector('.inp') as HTMLInputElement).value)}` : (win.content.querySelector('.inp') as HTMLInputElement).value
       }
     });
 
diff --git a/src/system/apps/Files.ts b/src/system/apps/Files.ts
index bbcba406..7a9648ee 100644
--- a/src/system/apps/Files.ts
+++ b/src/system/apps/Files.ts
@@ -56,7 +56,7 @@ const Files: Process = {
       (win.content.querySelector('.folder') as HTMLElement).onclick = async () => {
         const title = prompt('Enter folder name')
         if (title != null) {
-          await fs.mkdir(`${dir}/${title}`, '')
+          await fs.mkdir(`${dir}/${title}`)
         }
       }
 
@@ -69,7 +69,7 @@ const Files: Process = {
         const genIcon = (): string => {
           return `<span class="material-symbols-rounded">${(MIMETypes[file.split('.')[1]] === undefined ? 'draft' : MIMETypes[file.split('.')[1]].icon) as string}</span>`
         }
-        const icon = fileStat.isDirectory() as boolean ? '<span class="material-symbols-rounded">folder</span>' : genIcon()
+        const icon = fileStat.isDirectory() ? '<span class="material-symbols-rounded">folder</span>' : genIcon()
 
         element.innerHTML += `${icon} <span style="flex:1;">${file}</span><span class="material-symbols-rounded delete">delete_forever</span><span class="material-symbols-rounded rename">edit</span>`;
         (element.querySelector('.rename') as HTMLElement).onclick = async () => {
@@ -79,7 +79,7 @@ const Files: Process = {
           }
         }
         (element.querySelector('.delete') as HTMLElement).onclick = async () => {
-          if (fileStat.isDirectory() as boolean) {
+          if (fileStat.isDirectory()) {
             await fs.rmdir(dir + seperator + file)
           } else {
             await fs.unlink(dir + seperator + file)
@@ -101,7 +101,7 @@ const Files: Process = {
         }
 
         element.ondblclick = async () => {
-          if (fileStat.isDirectory() as boolean) {
+          if (fileStat.isDirectory()) {
             await setDir(dir + seperator + file)
           } else {
             await run(dir + seperator + file)
diff --git a/src/system/apps/Store.ts b/src/system/apps/Store.ts
index 59e6d667..7dd8176f 100644
--- a/src/system/apps/Store.ts
+++ b/src/system/apps/Store.ts
@@ -81,7 +81,7 @@ const Store: Process = {
                   install(app.url)
                 }
               }
-            })
+            }).catch((e: any) => console.error(e))
           }).catch((e: any) => console.error(e))
         })
       })
diff --git a/src/system/lib/MIMETypes.ts b/src/system/lib/MIMETypes.ts
index 8a276c46..dca701bb 100644
--- a/src/system/lib/MIMETypes.ts
+++ b/src/system/lib/MIMETypes.ts
@@ -1,6 +1,6 @@
 import { Library } from '../../types'
 
-const MIME: Library = {
+const MIMETypes: Library = {
   config: {
     name: 'MIMETypes',
     type: 'library',
@@ -83,4 +83,4 @@ const MIME: Library = {
   }
 }
 
-export default MIME
+export default MIMETypes
diff --git a/src/system/lib/VirtualFS.ts b/src/system/lib/VirtualFS.ts
index 42d63e4c..ed81d8b4 100644
--- a/src/system/lib/VirtualFS.ts
+++ b/src/system/lib/VirtualFS.ts
@@ -1,6 +1,6 @@
 import Kernel from '../../kernel'
 import ProcessLib from '../../structures/ProcessLib'
-import { Directory, Errors, File, Library, Permission } from '../../types'
+import { Directory, Errors, File, Library, Permission, Stats } from '../../types'
 
 console.debug = (...args: any[]) => {
   console.log('[VirtualFS]', ...args)
@@ -421,7 +421,7 @@ const VirtualFS: Library = {
       console.debug(`readdir ${path}`)
       return result
     },
-    stat: async (path: string): Promise<{ isDirectory: () => boolean, isFile: () => boolean }> => {
+    stat: async (path: string): Promise<Stats> => {
       const { current } = await navigatePath(path)
 
       console.debug(`stat ${path}`)
diff --git a/src/system/lib/XOR.ts b/src/system/lib/XOR.ts
index 63d2f208..ab214e40 100644
--- a/src/system/lib/XOR.ts
+++ b/src/system/lib/XOR.ts
@@ -8,9 +8,6 @@ const XOR: Library = {
   },
   init: (l, k, p) => {},
   data: {
-    randomMax: 100,
-    randomMin: -100,
-
     encode: (str: string): string => {
       return encodeURIComponent(
         str
diff --git a/src/types.ts b/src/types.ts
index 2e531741..a013c40e 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,7 +1,10 @@
+import HTML from './HTML'
 import Kernel from './kernel'
 import FlowWindow from './structures/FlowWindow'
 import LibraryLib from './structures/LibraryLib'
 import ProcessLib from './structures/ProcessLib'
+import Components from './system/lib/Components'
+import MIMETypes from './system/lib/MIMETypes'
 
 export interface AppClosedEvent extends CustomEvent {
   detail: {
@@ -124,3 +127,61 @@ export interface KernelConfig {
   SERVER: string
   [key: string]: any
 }
+
+export interface Stats {
+  isDirectory: () => boolean
+  isFile: () => boolean
+}
+
+export interface FileSystem {
+  unlink: (path: string) => Promise<void>
+  readFile: (path: string) => Promise<Buffer>
+  writeFile: (path: string, content: string | Buffer) => Promise<void>
+  mkdir: (path: string) => Promise<void>
+  rmdir: (path: string) => Promise<void>
+  readdir: (path: string) => Promise<string[]>
+  stat: (path: string) => Promise<Stats>
+  rename: (oldPath: string, newPath: string) => Promise<void>
+  exists: (path: string) => Promise<boolean>
+}
+
+export interface ModalData {
+  value: boolean
+  win: FlowWindow
+}
+export interface WindowManager {
+  windowArea: HTML
+  windows: FlowWindow[]
+  getHighestZIndex: () => number
+  createWindow: (config: FlowWindowConfig, process: ProcessLib) => FlowWindow
+  createModal: (title: string, text: string, process: ProcessLib) => Promise<ModalData>
+}
+
+export interface Launcher {
+  element: HTML
+  toggle: () => void
+}
+
+export interface XOR {
+  encode: (str: string) => string
+  decode: (str: string) => string
+}
+
+export interface StatusBar {
+  element: HTML
+  updateBatteryIcon: (battery: any) => void
+  updateIcon: (ms: number) => void
+}
+
+export type LoadedLibrary<T> =
+  T extends 'lib/VirtualFS' ? FileSystem :
+    T extends 'lib/WindowManager' ? WindowManager :
+      T extends 'lib/HTML' ? typeof HTML :
+        T extends 'lib/Launcher' ? Launcher :
+          T extends 'lib/XOR' ? XOR :
+            T extends 'lib/StatusBar' ? StatusBar :
+              T extends 'lib/MIMETypes' ? typeof MIMETypes.data :
+                T extends 'lib/Components' ? typeof Components.data :
+                  any
+
+export type LibraryPath = 'lib/VirtualFS' | 'lib/WindowManager' | string