Deleting a file without ext print a normal error msg.

src/Constants.ts

@@ -258,5 +258,6 @@ export const CONSTANTS: IMap<any> = {
     * Fix some ram not displayed as 0.00GB
     * Fix error message throw undefined variable error
     * City hall now has some generic text if you can't create a corp yet.
+    * Deleting a file without extension now returns an appropriate error message.
     `,
 }

src/Server/BaseServer.ts

@@ -181,6 +181,7 @@ export class BaseServer {
      * @returns {IReturnStatus} Return status object indicating whether or not file was deleted
      */
     removeFile(fn: string): IReturnStatus {
+        console.log(`removing ${fn}`);
         if (fn.endsWith(".exe") || fn.match(/^.+\.exe-\d+(?:\.\d*)?%-INC$/) != null) {
             for (let i = 0; i < this.programs.length; ++i) {
                 if (this.programs[i] === fn) {

src/Terminal.jsx

@@ -1313,9 +1313,17 @@ let Terminal = {
                 }
 
                 // Check programs
-                let delTarget = Terminal.getFilepath(commandArray[1]);
+                let delTarget, status;
+                try {
+                    delTarget = Terminal.getFilepath(commandArray[1]);
+                    status = s.removeFile(delTarget);
+                } catch(err) {
+                    status = {
+                        res: false,
+                        msg: 'No such file exists'
+                    };
+                }
 
-                const status = s.removeFile(delTarget);
                 if (!status.res) {
                     postError(status.msg);
                 }