Troubleshoot:Calendar Data Missing/WindowPrograms Compatibility Error

Calendar Data Missing/WindowPrograms Compatibility

Please can someone help me urgently!
Since a "friend" did a disk fragmentation on my computer all my entries within my calendar have disappeared.  Until this time I had successfully been using the wincal.exe calendar from Vista within Windows 7.  I have been searching the web and seen various
forums about entries suddenly missing and making changes in the regedit.exe but none of these have worked.  My last trial was running a troubleshooting exercise within the calendar help program and it came up with wincal as being an incompatiable application.
Unfortunately I am far from a computer whizz and hope that someone can help me and explain what the problem may be and take me through this in fairly simple terms.
I am really desparate to get this sorted as I don't know when anyone's birthdays are, when and where I am going now!!!

Solutions to the Problem Calendar Data Missing/WindowPrograms Compatibility

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Hi KaySunny,
I would suggest you to perform a system restore to an earlier date and check.
System Restore: frequently asked questions

Note: It is recommended that you back up your files and folders before attempting this step:

  • Move the mouse cursor over to the upper right side of the screen.
  • A menu will pop up on the left. Click on the "Settings" feature on the menu.
  • On the Settings window, click on the "Change PC settings."
  • Now, left click on the "Update and recovery" feature.
  • For the next step, left click on the "Recovery" feature.
  • There is an option here saying "Refresh your PC without affecting your files." There, left click on the "Get started" button.
  • Now, follow the instructions on the screen to finish the Refresh process.
  • After the Refresh process has finished restart your Windows 8.1 or Windows 8 device.
  • Check again to see if the error Calendar Data Missing/WindowPrograms Compatibility has been fixed.

If you do not possess the technical expertise required to accomplish this yourself or do not feel comfortable doing so, download and install a powerful automated tool to get the job done.

Recommended Method to Fix the Problem: Calendar Data Missing/WindowPrograms Compatibility:

How to Fix Calendar Data Missing/WindowPrograms Compatibility with SmartPCFixer?

1. You can Download Error Fixer here. Install it on your system. When you open SmartPCFixer, it will perform a scan.

2. After the scan is finished, you can see the errors and problems which need to be fixed.

3. When the Fixing part is finished, your computer has been speeded up and the errors have been fixed

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by howtofixerror | 2016-08-26 15:19